Home / 247,965.15-342,192.13-134,787.90

Finding the Fourth Proportional to 247,965.15, 342,192.13 and 134,787.90

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Solution

The fourth proportional to 247,965.15, 342,192.13 and 134,787.90 is: 186,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,965.15 : 342,192.13 = 134,787.90 : x
  2. Step 2: Convert to fraction form
    247,965.15/342,192.13 = 134,787.90/x
  3. Step 3: Cross multiply
    247,965.15x = 342,192.13 × 134,787.90
  4. Step 4: Simplify right side
    247,965.15x = 46,123,358,262.26
  5. Step 5: Solve for x
    x = 46,123,358,262.26/247,965.15
  6. Step 6: Final answer
    x = 186,007.42

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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.