Home / 90,779.46-136,169.13-27,600.09

Finding the Fourth Proportional to 90,779.46, 136,169.13 and 27,600.09

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Solution

The fourth proportional to 90,779.46, 136,169.13 and 27,600.09 is: 41,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,779.46 : 136,169.13 = 27,600.09 : x
  2. Step 2: Convert to fraction form
    90,779.46/136,169.13 = 27,600.09/x
  3. Step 3: Cross multiply
    90,779.46x = 136,169.13 × 27,600.09
  4. Step 4: Simplify right side
    90,779.46x = 3,758,280,243.22
  5. Step 5: Solve for x
    x = 3,758,280,243.22/90,779.46
  6. Step 6: Final answer
    x = 41,400.12

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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.