Home / 90,230.04-124,514.28-49,943.88

Finding the Fourth Proportional to 90,230.04, 124,514.28 and 49,943.88

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Solution

The fourth proportional to 90,230.04, 124,514.28 and 49,943.88 is: 68,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,230.04 : 124,514.28 = 49,943.88 : x
  2. Step 2: Convert to fraction form
    90,230.04/124,514.28 = 49,943.88/x
  3. Step 3: Cross multiply
    90,230.04x = 124,514.28 × 49,943.88
  4. Step 4: Simplify right side
    90,230.04x = 6,218,726,258.61
  5. Step 5: Solve for x
    x = 6,218,726,258.61/90,230.04
  6. Step 6: Final answer
    x = 68,920.80

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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.