Home / 134,740.89-185,934.56-77,366.97

Finding the Fourth Proportional to 134,740.89, 185,934.56 and 77,366.97

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Solution

The fourth proportional to 134,740.89, 185,934.56 and 77,366.97 is: 106,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,740.89 : 185,934.56 = 77,366.97 : x
  2. Step 2: Convert to fraction form
    134,740.89/185,934.56 = 77,366.97/x
  3. Step 3: Cross multiply
    134,740.89x = 185,934.56 × 77,366.97
  4. Step 4: Simplify right side
    134,740.89x = 14,385,193,138.65
  5. Step 5: Solve for x
    x = 14,385,193,138.65/134,740.89
  6. Step 6: Final answer
    x = 106,761.90

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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.