Home / 162,000.42-243,109.08-67,230.69

Finding the Fourth Proportional to 162,000.42, 243,109.08 and 67,230.69

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Solution

The fourth proportional to 162,000.42, 243,109.08 and 67,230.69 is: 100,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,000.42 : 243,109.08 = 67,230.69 : x
  2. Step 2: Convert to fraction form
    162,000.42/243,109.08 = 67,230.69/x
  3. Step 3: Cross multiply
    162,000.42x = 243,109.08 × 67,230.69
  4. Step 4: Simplify right side
    162,000.42x = 16,344,391,193.67
  5. Step 5: Solve for x
    x = 16,344,391,193.67/162,000.42
  6. Step 6: Final answer
    x = 100,891.04

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1.5x scale

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.