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Finding the Fourth Proportional to 162,422.87, 224,148.20 and 90,803.07

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Solution

The fourth proportional to 162,422.87, 224,148.20 and 90,803.07 is: 125,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,422.87 : 224,148.20 = 90,803.07 : x
  2. Step 2: Convert to fraction form
    162,422.87/224,148.20 = 90,803.07/x
  3. Step 3: Cross multiply
    162,422.87x = 224,148.20 × 90,803.07
  4. Step 4: Simplify right side
    162,422.87x = 20,353,344,240.96
  5. Step 5: Solve for x
    x = 20,353,344,240.96/162,422.87
  6. Step 6: Final answer
    x = 125,310.83

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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.