Home / 92,126.30-138,140.24-28,934.82

Finding the Fourth Proportional to 92,126.30, 138,140.24 and 28,934.82

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Solution

The fourth proportional to 92,126.30, 138,140.24 and 28,934.82 is: 43,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,126.30 : 138,140.24 = 28,934.82 : x
  2. Step 2: Convert to fraction form
    92,126.30/138,140.24 = 28,934.82/x
  3. Step 3: Cross multiply
    92,126.30x = 138,140.24 × 28,934.82
  4. Step 4: Simplify right side
    92,126.30x = 3,997,062,834.48
  5. Step 5: Solve for x
    x = 3,997,062,834.48/92,126.30
  6. Step 6: Final answer
    x = 43,386.78

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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.