Home / 131,610.24-181,622.13-71,180.89

Finding the Fourth Proportional to 131,610.24, 181,622.13 and 71,180.89

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Solution

The fourth proportional to 131,610.24, 181,622.13 and 71,180.89 is: 98,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,610.24 : 181,622.13 = 71,180.89 : x
  2. Step 2: Convert to fraction form
    131,610.24/181,622.13 = 71,180.89/x
  3. Step 3: Cross multiply
    131,610.24x = 181,622.13 × 71,180.89
  4. Step 4: Simplify right side
    131,610.24x = 12,928,023,948.99
  5. Step 5: Solve for x
    x = 12,928,023,948.99/131,610.24
  6. Step 6: Final answer
    x = 98,229.62

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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.