Home / 213,327.90-319,773.15-124,535.70

Finding the Fourth Proportional to 213,327.90, 319,773.15 and 124,535.70

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Solution

The fourth proportional to 213,327.90, 319,773.15 and 124,535.70 is: 186,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,327.90 : 319,773.15 = 124,535.70 : x
  2. Step 2: Convert to fraction form
    213,327.90/319,773.15 = 124,535.70/x
  3. Step 3: Cross multiply
    213,327.90x = 319,773.15 × 124,535.70
  4. Step 4: Simplify right side
    213,327.90x = 39,823,173,076.46
  5. Step 5: Solve for x
    x = 39,823,173,076.46/213,327.90
  6. Step 6: Final answer
    x = 186,675.88

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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.