Home / 247,930.38-342,142.72-134,753.14

Finding the Fourth Proportional to 247,930.38, 342,142.72 and 134,753.14

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Solution

The fourth proportional to 247,930.38, 342,142.72 and 134,753.14 is: 185,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,930.38 : 342,142.72 = 134,753.14 : x
  2. Step 2: Convert to fraction form
    247,930.38/342,142.72 = 134,753.14/x
  3. Step 3: Cross multiply
    247,930.38x = 342,142.72 × 134,753.14
  4. Step 4: Simplify right side
    247,930.38x = 46,104,805,848.14
  5. Step 5: Solve for x
    x = 46,104,805,848.14/247,930.38
  6. Step 6: Final answer
    x = 185,958.68

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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.