Home / 251,599.59-347,206.37-138,419.91

Finding the Fourth Proportional to 251,599.59, 347,206.37 and 138,419.91

Calculator

Solution

The fourth proportional to 251,599.59, 347,206.37 and 138,419.91 is: 191,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,599.59 : 347,206.37 = 138,419.91 : x
  2. Step 2: Convert to fraction form
    251,599.59/347,206.37 = 138,419.91/x
  3. Step 3: Cross multiply
    251,599.59x = 347,206.37 × 138,419.91
  4. Step 4: Simplify right side
    251,599.59x = 48,060,273,794.73
  5. Step 5: Solve for x
    x = 48,060,273,794.73/251,599.59
  6. Step 6: Final answer
    x = 191,018.89

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.