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Finding the Fourth Proportional to 171,061.90, 256,568.55 and 58,747.30

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Solution

The fourth proportional to 171,061.90, 256,568.55 and 58,747.30 is: 88,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,061.90 : 256,568.55 = 58,747.30 : x
  2. Step 2: Convert to fraction form
    171,061.90/256,568.55 = 58,747.30/x
  3. Step 3: Cross multiply
    171,061.90x = 256,568.55 × 58,747.30
  4. Step 4: Simplify right side
    171,061.90x = 15,072,709,577.42
  5. Step 5: Solve for x
    x = 15,072,709,577.42/171,061.90
  6. Step 6: Final answer
    x = 88,112.60

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1.5x scale

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.