Home / 124,775.38-172,170.12-71,061.40

Finding the Fourth Proportional to 124,775.38, 172,170.12 and 71,061.40

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Solution

The fourth proportional to 124,775.38, 172,170.12 and 71,061.40 is: 98,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,775.38 : 172,170.12 = 71,061.40 : x
  2. Step 2: Convert to fraction form
    124,775.38/172,170.12 = 71,061.40/x
  3. Step 3: Cross multiply
    124,775.38x = 172,170.12 × 71,061.40
  4. Step 4: Simplify right side
    124,775.38x = 12,234,649,765.37
  5. Step 5: Solve for x
    x = 12,234,649,765.37/124,775.38
  6. Step 6: Final answer
    x = 98,053.40

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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.