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Finding the Fourth Proportional to 172,251.55, 258,114.88 and 88,008.31

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Solution

The fourth proportional to 172,251.55, 258,114.88 and 88,008.31 is: 131,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,251.55 : 258,114.88 = 88,008.31 : x
  2. Step 2: Convert to fraction form
    172,251.55/258,114.88 = 88,008.31/x
  3. Step 3: Cross multiply
    172,251.55x = 258,114.88 × 88,008.31
  4. Step 4: Simplify right side
    172,251.55x = 22,716,254,374.65
  5. Step 5: Solve for x
    x = 22,716,254,374.65/172,251.55
  6. Step 6: Final answer
    x = 131,878.37

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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.