Home / 131,449.38-181,400.22-71,020.01

Finding the Fourth Proportional to 131,449.38, 181,400.22 and 71,020.01

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Solution

The fourth proportional to 131,449.38, 181,400.22 and 71,020.01 is: 98,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,449.38 : 181,400.22 = 71,020.01 : x
  2. Step 2: Convert to fraction form
    131,449.38/181,400.22 = 71,020.01/x
  3. Step 3: Cross multiply
    131,449.38x = 181,400.22 × 71,020.01
  4. Step 4: Simplify right side
    131,449.38x = 12,883,044,531.40
  5. Step 5: Solve for x
    x = 12,883,044,531.40/131,449.38
  6. Step 6: Final answer
    x = 98,007.65

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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.