Home / 162,443.07-243,500.99-67,725.68

Finding the Fourth Proportional to 162,443.07, 243,500.99 and 67,725.68

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Solution

The fourth proportional to 162,443.07, 243,500.99 and 67,725.68 is: 101,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,443.07 : 243,500.99 = 67,725.68 : x
  2. Step 2: Convert to fraction form
    162,443.07/243,500.99 = 67,725.68/x
  3. Step 3: Cross multiply
    162,443.07x = 243,500.99 × 67,725.68
  4. Step 4: Simplify right side
    162,443.07x = 16,491,268,572.29
  5. Step 5: Solve for x
    x = 16,491,268,572.29/162,443.07
  6. Step 6: Final answer
    x = 101,520.30

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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.