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Finding the Fourth Proportional to 175,513.64, 241,956.90 and 125,125.16

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Solution

The fourth proportional to 175,513.64, 241,956.90 and 125,125.16 is: 172,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,513.64 : 241,956.90 = 125,125.16 : x
  2. Step 2: Convert to fraction form
    175,513.64/241,956.90 = 125,125.16/x
  3. Step 3: Cross multiply
    175,513.64x = 241,956.90 × 125,125.16
  4. Step 4: Simplify right side
    175,513.64x = 30,274,895,825.60
  5. Step 5: Solve for x
    x = 30,274,895,825.60/175,513.64
  6. Step 6: Final answer
    x = 172,493.12

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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.