Home / 90,839.31-136,253.36-33,902.13

Finding the Fourth Proportional to 90,839.31, 136,253.36 and 33,902.13

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Solution

The fourth proportional to 90,839.31, 136,253.36 and 33,902.13 is: 50,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,839.31 : 136,253.36 = 33,902.13 : x
  2. Step 2: Convert to fraction form
    90,839.31/136,253.36 = 33,902.13/x
  3. Step 3: Cross multiply
    90,839.31x = 136,253.36 × 33,902.13
  4. Step 4: Simplify right side
    90,839.31x = 4,619,278,954.15
  5. Step 5: Solve for x
    x = 4,619,278,954.15/90,839.31
  6. Step 6: Final answer
    x = 50,851.10

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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.