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Finding the Fourth Proportional to 168,162.59, 232,080.72 and 125,647.31

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Solution

The fourth proportional to 168,162.59, 232,080.72 and 125,647.31 is: 173,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,162.59 : 232,080.72 = 125,647.31 : x
  2. Step 2: Convert to fraction form
    168,162.59/232,080.72 = 125,647.31/x
  3. Step 3: Cross multiply
    168,162.59x = 232,080.72 × 125,647.31
  4. Step 4: Simplify right side
    168,162.59x = 29,160,318,170.86
  5. Step 5: Solve for x
    x = 29,160,318,170.86/168,162.59
  6. Step 6: Final answer
    x = 173,405.50

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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.