Home / 114,604.35-172,100.40-74,691.15

Finding the Fourth Proportional to 114,604.35, 172,100.40 and 74,691.15

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Solution

The fourth proportional to 114,604.35, 172,100.40 and 74,691.15 is: 112,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,604.35 : 172,100.40 = 74,691.15 : x
  2. Step 2: Convert to fraction form
    114,604.35/172,100.40 = 74,691.15/x
  3. Step 3: Cross multiply
    114,604.35x = 172,100.40 × 74,691.15
  4. Step 4: Simplify right side
    114,604.35x = 12,854,376,791.46
  5. Step 5: Solve for x
    x = 12,854,376,791.46/114,604.35
  6. Step 6: Final answer
    x = 112,163.08

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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.