Home / 94,710.30-141,892.65-77,084.70

Finding the Fourth Proportional to 94,710.30, 141,892.65 and 77,084.70

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Solution

The fourth proportional to 94,710.30, 141,892.65 and 77,084.70 is: 115,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,710.30 : 141,892.65 = 77,084.70 : x
  2. Step 2: Convert to fraction form
    94,710.30/141,892.65 = 77,084.70/x
  3. Step 3: Cross multiply
    94,710.30x = 141,892.65 × 77,084.70
  4. Step 4: Simplify right side
    94,710.30x = 10,937,752,357.46
  5. Step 5: Solve for x
    x = 10,937,752,357.46/94,710.30
  6. Step 6: Final answer
    x = 115,486.41

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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.