Home / 90,919.19-136,425.51-40,352.85

Finding the Fourth Proportional to 90,919.19, 136,425.51 and 40,352.85

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Solution

The fourth proportional to 90,919.19, 136,425.51 and 40,352.85 is: 60,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,919.19 : 136,425.51 = 40,352.85 : x
  2. Step 2: Convert to fraction form
    90,919.19/136,425.51 = 40,352.85/x
  3. Step 3: Cross multiply
    90,919.19x = 136,425.51 × 40,352.85
  4. Step 4: Simplify right side
    90,919.19x = 5,505,158,141.20
  5. Step 5: Solve for x
    x = 5,505,158,141.20/90,919.19
  6. Step 6: Final answer
    x = 60,550.01

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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.