Home / 132,862.85-199,234.28-38,071.32

Finding the Fourth Proportional to 132,862.85, 199,234.28 and 38,071.32

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Solution

The fourth proportional to 132,862.85, 199,234.28 and 38,071.32 is: 57,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,862.85 : 199,234.28 = 38,071.32 : x
  2. Step 2: Convert to fraction form
    132,862.85/199,234.28 = 38,071.32/x
  3. Step 3: Cross multiply
    132,862.85x = 199,234.28 × 38,071.32
  4. Step 4: Simplify right side
    132,862.85x = 7,585,111,376.90
  5. Step 5: Solve for x
    x = 7,585,111,376.90/132,862.85
  6. Step 6: Final answer
    x = 57,089.78

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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.