Home / 90,390.07-135,585.92-23,839.66

Finding the Fourth Proportional to 90,390.07, 135,585.92 and 23,839.66

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Solution

The fourth proportional to 90,390.07, 135,585.92 and 23,839.66 is: 35,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,390.07 : 135,585.92 = 23,839.66 : x
  2. Step 2: Convert to fraction form
    90,390.07/135,585.92 = 23,839.66/x
  3. Step 3: Cross multiply
    90,390.07x = 135,585.92 × 23,839.66
  4. Step 4: Simplify right side
    90,390.07x = 3,232,322,114.39
  5. Step 5: Solve for x
    x = 3,232,322,114.39/90,390.07
  6. Step 6: Final answer
    x = 35,759.70

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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.