Home / 132,665.64-199,080.05-52,689.61

Finding the Fourth Proportional to 132,665.64, 199,080.05 and 52,689.61

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Solution

The fourth proportional to 132,665.64, 199,080.05 and 52,689.61 is: 79,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,665.64 : 199,080.05 = 52,689.61 : x
  2. Step 2: Convert to fraction form
    132,665.64/199,080.05 = 52,689.61/x
  3. Step 3: Cross multiply
    132,665.64x = 199,080.05 × 52,689.61
  4. Step 4: Simplify right side
    132,665.64x = 10,489,450,849.74
  5. Step 5: Solve for x
    x = 10,489,450,849.74/132,665.64
  6. Step 6: Final answer
    x = 79,066.82

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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.