Home / 90,780.08-136,169.87-27,599.92

Finding the Fourth Proportional to 90,780.08, 136,169.87 and 27,599.92

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Solution

The fourth proportional to 90,780.08, 136,169.87 and 27,599.92 is: 41,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,780.08 : 136,169.87 = 27,599.92 : x
  2. Step 2: Convert to fraction form
    90,780.08/136,169.87 = 27,599.92/x
  3. Step 3: Cross multiply
    90,780.08x = 136,169.87 × 27,599.92
  4. Step 4: Simplify right side
    90,780.08x = 3,758,277,039.99
  5. Step 5: Solve for x
    x = 3,758,277,039.99/90,780.08
  6. Step 6: Final answer
    x = 41,399.80

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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.