Home / 102,164.72-140,985.96-57,452.72

Finding the Fourth Proportional to 102,164.72, 140,985.96 and 57,452.72

Calculator

Solution

The fourth proportional to 102,164.72, 140,985.96 and 57,452.72 is: 79,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,164.72 : 140,985.96 = 57,452.72 : x
  2. Step 2: Convert to fraction form
    102,164.72/140,985.96 = 57,452.72/x
  3. Step 3: Cross multiply
    102,164.72x = 140,985.96 × 57,452.72
  4. Step 4: Simplify right side
    102,164.72x = 8,100,026,883.81
  5. Step 5: Solve for x
    x = 8,100,026,883.81/102,164.72
  6. Step 6: Final answer
    x = 79,283.99

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.