Home / 162,250.20-223,902.90-90,631.20

Finding the Fourth Proportional to 162,250.20, 223,902.90 and 90,631.20

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Solution

The fourth proportional to 162,250.20, 223,902.90 and 90,631.20 is: 125,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,250.20 : 223,902.90 = 90,631.20 : x
  2. Step 2: Convert to fraction form
    162,250.20/223,902.90 = 90,631.20/x
  3. Step 3: Cross multiply
    162,250.20x = 223,902.90 × 90,631.20
  4. Step 4: Simplify right side
    162,250.20x = 20,292,588,510.48
  5. Step 5: Solve for x
    x = 20,292,588,510.48/162,250.20
  6. Step 6: Final answer
    x = 125,069.73

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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.