Home / 205,437.56-283,591.10-124,890.80

Finding the Fourth Proportional to 205,437.56, 283,591.10 and 124,890.80

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Solution

The fourth proportional to 205,437.56, 283,591.10 and 124,890.80 is: 172,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,437.56 : 283,591.10 = 124,890.80 : x
  2. Step 2: Convert to fraction form
    205,437.56/283,591.10 = 124,890.80/x
  3. Step 3: Cross multiply
    205,437.56x = 283,591.10 × 124,890.80
  4. Step 4: Simplify right side
    205,437.56x = 35,417,918,246.15
  5. Step 5: Solve for x
    x = 35,417,918,246.15/205,437.56
  6. Step 6: Final answer
    x = 172,402.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.