Home / 172,825.56-260,171.96-155,445.71

Finding the Fourth Proportional to 172,825.56, 260,171.96 and 155,445.71

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Solution

The fourth proportional to 172,825.56, 260,171.96 and 155,445.71 is: 234,008.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,825.56 : 260,171.96 = 155,445.71 : x
  2. Step 2: Convert to fraction form
    172,825.56/260,171.96 = 155,445.71/x
  3. Step 3: Cross multiply
    172,825.56x = 260,171.96 × 155,445.71
  4. Step 4: Simplify right side
    172,825.56x = 40,442,612,966.20
  5. Step 5: Solve for x
    x = 40,442,612,966.20/172,825.56
  6. Step 6: Final answer
    x = 234,008.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.