Home / 242,351.90-334,439.11-134,921.97

Finding the Fourth Proportional to 242,351.90, 334,439.11 and 134,921.97

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Solution

The fourth proportional to 242,351.90, 334,439.11 and 134,921.97 is: 186,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,351.90 : 334,439.11 = 134,921.97 : x
  2. Step 2: Convert to fraction form
    242,351.90/334,439.11 = 134,921.97/x
  3. Step 3: Cross multiply
    242,351.90x = 334,439.11 × 134,921.97
  4. Step 4: Simplify right side
    242,351.90x = 45,123,183,734.90
  5. Step 5: Solve for x
    x = 45,123,183,734.90/242,351.90
  6. Step 6: Final answer
    x = 186,188.69

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1.5x scale

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.