Home / 90,397.71-124,740.44-50,108.04

Finding the Fourth Proportional to 90,397.71, 124,740.44 and 50,108.04

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Solution

The fourth proportional to 90,397.71, 124,740.44 and 50,108.04 is: 69,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,397.71 : 124,740.44 = 50,108.04 : x
  2. Step 2: Convert to fraction form
    90,397.71/124,740.44 = 50,108.04/x
  3. Step 3: Cross multiply
    90,397.71x = 124,740.44 × 50,108.04
  4. Step 4: Simplify right side
    90,397.71x = 6,250,499,456.73
  5. Step 5: Solve for x
    x = 6,250,499,456.73/90,397.71
  6. Step 6: Final answer
    x = 69,144.45

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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.