Home / 90,414.12-135,605.70-23,854.94

Finding the Fourth Proportional to 90,414.12, 135,605.70 and 23,854.94

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Solution

The fourth proportional to 90,414.12, 135,605.70 and 23,854.94 is: 35,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,414.12 : 135,605.70 = 23,854.94 : x
  2. Step 2: Convert to fraction form
    90,414.12/135,605.70 = 23,854.94/x
  3. Step 3: Cross multiply
    90,414.12x = 135,605.70 × 23,854.94
  4. Step 4: Simplify right side
    90,414.12x = 3,234,865,159.13
  5. Step 5: Solve for x
    x = 3,234,865,159.13/90,414.12
  6. Step 6: Final answer
    x = 35,778.32

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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.