Home / 132,499.22-198,530.42-76,386.64

Finding the Fourth Proportional to 132,499.22, 198,530.42 and 76,386.64

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Solution

The fourth proportional to 132,499.22, 198,530.42 and 76,386.64 is: 114,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,499.22 : 198,530.42 = 76,386.64 : x
  2. Step 2: Convert to fraction form
    132,499.22/198,530.42 = 76,386.64/x
  3. Step 3: Cross multiply
    132,499.22x = 198,530.42 × 76,386.64
  4. Step 4: Simplify right side
    132,499.22x = 15,165,071,721.59
  5. Step 5: Solve for x
    x = 15,165,071,721.59/132,499.22
  6. Step 6: Final answer
    x = 114,454.05

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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.