Home / 94,234.63-129,909.94-74,945.29

Finding the Fourth Proportional to 94,234.63, 129,909.94 and 74,945.29

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Solution

The fourth proportional to 94,234.63, 129,909.94 and 74,945.29 is: 103,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,234.63 : 129,909.94 = 74,945.29 : x
  2. Step 2: Convert to fraction form
    94,234.63/129,909.94 = 74,945.29/x
  3. Step 3: Cross multiply
    94,234.63x = 129,909.94 × 74,945.29
  4. Step 4: Simplify right side
    94,234.63x = 9,736,138,127.18
  5. Step 5: Solve for x
    x = 9,736,138,127.18/94,234.63
  6. Step 6: Final answer
    x = 103,318.05

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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.