Home / 90,839.97-136,260.07-40,910.76

Finding the Fourth Proportional to 90,839.97, 136,260.07 and 40,910.76

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Solution

The fourth proportional to 90,839.97, 136,260.07 and 40,910.76 is: 61,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,839.97 : 136,260.07 = 40,910.76 : x
  2. Step 2: Convert to fraction form
    90,839.97/136,260.07 = 40,910.76/x
  3. Step 3: Cross multiply
    90,839.97x = 136,260.07 × 40,910.76
  4. Step 4: Simplify right side
    90,839.97x = 5,574,502,919.08
  5. Step 5: Solve for x
    x = 5,574,502,919.08/90,839.97
  6. Step 6: Final answer
    x = 61,366.19

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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.