Home / 121,551.38-182,327.87-38,445.38

Finding the Fourth Proportional to 121,551.38, 182,327.87 and 38,445.38

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Solution

The fourth proportional to 121,551.38, 182,327.87 and 38,445.38 is: 57,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,551.38 : 182,327.87 = 38,445.38 : x
  2. Step 2: Convert to fraction form
    121,551.38/182,327.87 = 38,445.38/x
  3. Step 3: Cross multiply
    121,551.38x = 182,327.87 × 38,445.38
  4. Step 4: Simplify right side
    121,551.38x = 7,009,663,431.21
  5. Step 5: Solve for x
    x = 7,009,663,431.21/121,551.38
  6. Step 6: Final answer
    x = 57,668.32

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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.