Home / 162,456.11-243,723.05-82,294.19

Finding the Fourth Proportional to 162,456.11, 243,723.05 and 82,294.19

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Solution

The fourth proportional to 162,456.11, 243,723.05 and 82,294.19 is: 123,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,456.11 : 243,723.05 = 82,294.19 : x
  2. Step 2: Convert to fraction form
    162,456.11/243,723.05 = 82,294.19/x
  3. Step 3: Cross multiply
    162,456.11x = 243,723.05 × 82,294.19
  4. Step 4: Simplify right side
    162,456.11x = 20,056,990,572.61
  5. Step 5: Solve for x
    x = 20,056,990,572.61/162,456.11
  6. Step 6: Final answer
    x = 123,460.98

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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.