Home / 90,456.17-124,837.16-50,182.88

Finding the Fourth Proportional to 90,456.17, 124,837.16 and 50,182.88

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Solution

The fourth proportional to 90,456.17, 124,837.16 and 50,182.88 is: 69,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,456.17 : 124,837.16 = 50,182.88 : x
  2. Step 2: Convert to fraction form
    90,456.17/124,837.16 = 50,182.88/x
  3. Step 3: Cross multiply
    90,456.17x = 124,837.16 × 50,182.88
  4. Step 4: Simplify right side
    90,456.17x = 6,264,687,344.72
  5. Step 5: Solve for x
    x = 6,264,687,344.72/90,456.17
  6. Step 6: Final answer
    x = 69,256.61

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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.