Home / 461,539.50-692,335.17-129,141.42

Finding the Fourth Proportional to 461,539.50, 692,335.17 and 129,141.42

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Solution

The fourth proportional to 461,539.50, 692,335.17 and 129,141.42 is: 193,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,539.50 : 692,335.17 = 129,141.42 : x
  2. Step 2: Convert to fraction form
    461,539.50/692,335.17 = 129,141.42/x
  3. Step 3: Cross multiply
    461,539.50x = 692,335.17 × 129,141.42
  4. Step 4: Simplify right side
    461,539.50x = 89,409,146,969.74
  5. Step 5: Solve for x
    x = 89,409,146,969.74/461,539.50
  6. Step 6: Final answer
    x = 193,719.38

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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.