Home / 185,753.40-278,539.97-90,872.46

Finding the Fourth Proportional to 185,753.40, 278,539.97 and 90,872.46

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Solution

The fourth proportional to 185,753.40, 278,539.97 and 90,872.46 is: 136,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,753.40 : 278,539.97 = 90,872.46 : x
  2. Step 2: Convert to fraction form
    185,753.40/278,539.97 = 90,872.46/x
  3. Step 3: Cross multiply
    185,753.40x = 278,539.97 × 90,872.46
  4. Step 4: Simplify right side
    185,753.40x = 25,311,612,282.23
  5. Step 5: Solve for x
    x = 25,311,612,282.23/185,753.40
  6. Step 6: Final answer
    x = 136,264.60

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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.