Home / 90,164.16-124,425.36-49,874.72

Finding the Fourth Proportional to 90,164.16, 124,425.36 and 49,874.72

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Solution

The fourth proportional to 90,164.16, 124,425.36 and 49,874.72 is: 68,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164.16 : 124,425.36 = 49,874.72 : x
  2. Step 2: Convert to fraction form
    90,164.16/124,425.36 = 49,874.72/x
  3. Step 3: Cross multiply
    90,164.16x = 124,425.36 × 49,874.72
  4. Step 4: Simplify right side
    90,164.16x = 6,205,679,990.90
  5. Step 5: Solve for x
    x = 6,205,679,990.90/90,164.16
  6. Step 6: Final answer
    x = 68,826.46

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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.