Home / 125,096.40-172,627.20-71,377.20

Finding the Fourth Proportional to 125,096.40, 172,627.20 and 71,377.20

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Solution

The fourth proportional to 125,096.40, 172,627.20 and 71,377.20 is: 98,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,096.40 : 172,627.20 = 71,377.20 : x
  2. Step 2: Convert to fraction form
    125,096.40/172,627.20 = 71,377.20/x
  3. Step 3: Cross multiply
    125,096.40x = 172,627.20 × 71,377.20
  4. Step 4: Simplify right side
    125,096.40x = 12,321,646,179.84
  5. Step 5: Solve for x
    x = 12,321,646,179.84/125,096.40
  6. Step 6: Final answer
    x = 98,497.21

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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.