Home / 162,037.20-223,624.78-89,446.68

Finding the Fourth Proportional to 162,037.20, 223,624.78 and 89,446.68

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Solution

The fourth proportional to 162,037.20, 223,624.78 and 89,446.68 is: 123,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,037.20 : 223,624.78 = 89,446.68 : x
  2. Step 2: Convert to fraction form
    162,037.20/223,624.78 = 89,446.68/x
  3. Step 3: Cross multiply
    162,037.20x = 223,624.78 × 89,446.68
  4. Step 4: Simplify right side
    162,037.20x = 20,002,494,136.73
  5. Step 5: Solve for x
    x = 20,002,494,136.73/162,037.20
  6. Step 6: Final answer
    x = 123,443.84

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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.