Home / 131,544.57-181,531.29-71,115.27

Finding the Fourth Proportional to 131,544.57, 181,531.29 and 71,115.27

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Solution

The fourth proportional to 131,544.57, 181,531.29 and 71,115.27 is: 98,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,544.57 : 181,531.29 = 71,115.27 : x
  2. Step 2: Convert to fraction form
    131,544.57/181,531.29 = 71,115.27/x
  3. Step 3: Cross multiply
    131,544.57x = 181,531.29 × 71,115.27
  4. Step 4: Simplify right side
    131,544.57x = 12,909,646,701.80
  5. Step 5: Solve for x
    x = 12,909,646,701.80/131,544.57
  6. Step 6: Final answer
    x = 98,138.96

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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.