Home / 141,613.38-195,427.08-81,187.52

Finding the Fourth Proportional to 141,613.38, 195,427.08 and 81,187.52

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Solution

The fourth proportional to 141,613.38, 195,427.08 and 81,187.52 is: 112,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,613.38 : 195,427.08 = 81,187.52 : x
  2. Step 2: Convert to fraction form
    141,613.38/195,427.08 = 81,187.52/x
  3. Step 3: Cross multiply
    141,613.38x = 195,427.08 × 81,187.52
  4. Step 4: Simplify right side
    141,613.38x = 15,866,238,988.91
  5. Step 5: Solve for x
    x = 15,866,238,988.91/141,613.38
  6. Step 6: Final answer
    x = 112,039.12

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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.