Home / 162,121.27-223,731.12-101,694.46

Finding the Fourth Proportional to 162,121.27, 223,731.12 and 101,694.46

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Solution

The fourth proportional to 162,121.27, 223,731.12 and 101,694.46 is: 140,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,121.27 : 223,731.12 = 101,694.46 : x
  2. Step 2: Convert to fraction form
    162,121.27/223,731.12 = 101,694.46/x
  3. Step 3: Cross multiply
    162,121.27x = 223,731.12 × 101,694.46
  4. Step 4: Simplify right side
    162,121.27x = 22,752,215,433.60
  5. Step 5: Solve for x
    x = 22,752,215,433.60/162,121.27
  6. Step 6: Final answer
    x = 140,340.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.