Home / 92,020.09-138,030.17-28,845.13

Finding the Fourth Proportional to 92,020.09, 138,030.17 and 28,845.13

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Solution

The fourth proportional to 92,020.09, 138,030.17 and 28,845.13 is: 43,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,020.09 : 138,030.17 = 28,845.13 : x
  2. Step 2: Convert to fraction form
    92,020.09/138,030.17 = 28,845.13/x
  3. Step 3: Cross multiply
    92,020.09x = 138,030.17 × 28,845.13
  4. Step 4: Simplify right side
    92,020.09x = 3,981,498,197.57
  5. Step 5: Solve for x
    x = 3,981,498,197.57/92,020.09
  6. Step 6: Final answer
    x = 43,267.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.