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Finding the Fourth Proportional to 173,937.92, 260,607.32 and 135,972.42

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Solution

The fourth proportional to 173,937.92, 260,607.32 and 135,972.42 is: 203,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,937.92 : 260,607.32 = 135,972.42 : x
  2. Step 2: Convert to fraction form
    173,937.92/260,607.32 = 135,972.42/x
  3. Step 3: Cross multiply
    173,937.92x = 260,607.32 × 135,972.42
  4. Step 4: Simplify right side
    173,937.92x = 35,435,407,404.48
  5. Step 5: Solve for x
    x = 35,435,407,404.48/173,937.92
  6. Step 6: Final answer
    x = 203,724.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.