Home / 90,979.43-136,450.32-24,403.73

Finding the Fourth Proportional to 90,979.43, 136,450.32 and 24,403.73

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Solution

The fourth proportional to 90,979.43, 136,450.32 and 24,403.73 is: 36,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,979.43 : 136,450.32 = 24,403.73 : x
  2. Step 2: Convert to fraction form
    90,979.43/136,450.32 = 24,403.73/x
  3. Step 3: Cross multiply
    90,979.43x = 136,450.32 × 24,403.73
  4. Step 4: Simplify right side
    90,979.43x = 3,329,896,767.69
  5. Step 5: Solve for x
    x = 3,329,896,767.69/90,979.43
  6. Step 6: Final answer
    x = 36,600.55

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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.