Home / 102,774.28-141,851.38-62,479.50

Finding the Fourth Proportional to 102,774.28, 141,851.38 and 62,479.50

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Solution

The fourth proportional to 102,774.28, 141,851.38 and 62,479.50 is: 86,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,774.28 : 141,851.38 = 62,479.50 : x
  2. Step 2: Convert to fraction form
    102,774.28/141,851.38 = 62,479.50/x
  3. Step 3: Cross multiply
    102,774.28x = 141,851.38 × 62,479.50
  4. Step 4: Simplify right side
    102,774.28x = 8,862,803,296.71
  5. Step 5: Solve for x
    x = 8,862,803,296.71/102,774.28
  6. Step 6: Final answer
    x = 86,235.62

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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.