Home / 114,865.22-172,284.15-30,631.70

Finding the Fourth Proportional to 114,865.22, 172,284.15 and 30,631.70

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Solution

The fourth proportional to 114,865.22, 172,284.15 and 30,631.70 is: 45,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,865.22 : 172,284.15 = 30,631.70 : x
  2. Step 2: Convert to fraction form
    114,865.22/172,284.15 = 30,631.70/x
  3. Step 3: Cross multiply
    114,865.22x = 172,284.15 × 30,631.70
  4. Step 4: Simplify right side
    114,865.22x = 5,277,356,397.56
  5. Step 5: Solve for x
    x = 5,277,356,397.56/114,865.22
  6. Step 6: Final answer
    x = 45,943.90

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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.