Home / 557,764.20-836,646.30-137,034.60

Finding the Fourth Proportional to 557,764.20, 836,646.30 and 137,034.60

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Solution

The fourth proportional to 557,764.20, 836,646.30 and 137,034.60 is: 205,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,764.20 : 836,646.30 = 137,034.60 : x
  2. Step 2: Convert to fraction form
    557,764.20/836,646.30 = 137,034.60/x
  3. Step 3: Cross multiply
    557,764.20x = 836,646.30 × 137,034.60
  4. Step 4: Simplify right side
    557,764.20x = 114,649,491,061.98
  5. Step 5: Solve for x
    x = 114,649,491,061.98/557,764.20
  6. Step 6: Final answer
    x = 205,551.90

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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.