Home / 90,844.20-136,250.10-57,504.60

Finding the Fourth Proportional to 90,844.20, 136,250.10 and 57,504.60

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Solution

The fourth proportional to 90,844.20, 136,250.10 and 57,504.60 is: 86,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,844.20 : 136,250.10 = 57,504.60 : x
  2. Step 2: Convert to fraction form
    90,844.20/136,250.10 = 57,504.60/x
  3. Step 3: Cross multiply
    90,844.20x = 136,250.10 × 57,504.60
  4. Step 4: Simplify right side
    90,844.20x = 7,835,007,500.46
  5. Step 5: Solve for x
    x = 7,835,007,500.46/90,844.20
  6. Step 6: Final answer
    x = 86,246.65

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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.