Home / 231,972-347,958-56,868

Finding the Fourth Proportional to 231,972, 347,958 and 56,868

Calculator

Solution

The fourth proportional to 231,972, 347,958 and 56,868 is: 85,302

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,972 : 347,958 = 56,868 : x
  2. Step 2: Convert to fraction form
    231,972/347,958 = 56,868/x
  3. Step 3: Cross multiply
    231,972x = 347,958 × 56,868
  4. Step 4: Simplify right side
    231,972x = 19,787,675,544
  5. Step 5: Solve for x
    x = 19,787,675,544/231,972
  6. Step 6: Final answer
    x = 85,302

Related Problems

Find fourth proportional to 115,986, 173,979 and 28,434
Half scale
Find fourth proportional to 463,944, 695,916 and 113,736
Double scale
Find fourth proportional to 231,973, 347,959.50 and 56,869
Similar ratio
Find fourth proportional to 347,958, 521,937 and 85,302
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.