Home / 121,681.20-182,489.40-37,441.20

Finding the Fourth Proportional to 121,681.20, 182,489.40 and 37,441.20

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Solution

The fourth proportional to 121,681.20, 182,489.40 and 37,441.20 is: 56,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,681.20 : 182,489.40 = 37,441.20 : x
  2. Step 2: Convert to fraction form
    121,681.20/182,489.40 = 37,441.20/x
  3. Step 3: Cross multiply
    121,681.20x = 182,489.40 × 37,441.20
  4. Step 4: Simplify right side
    121,681.20x = 6,832,622,123.28
  5. Step 5: Solve for x
    x = 6,832,622,123.28/121,681.20
  6. Step 6: Final answer
    x = 56,151.83

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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.