Home / 121,363.38-182,008.11-42,462.90

Finding the Fourth Proportional to 121,363.38, 182,008.11 and 42,462.90

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Solution

The fourth proportional to 121,363.38, 182,008.11 and 42,462.90 is: 63,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,363.38 : 182,008.11 = 42,462.90 : x
  2. Step 2: Convert to fraction form
    121,363.38/182,008.11 = 42,462.90/x
  3. Step 3: Cross multiply
    121,363.38x = 182,008.11 × 42,462.90
  4. Step 4: Simplify right side
    121,363.38x = 7,728,592,174.12
  5. Step 5: Solve for x
    x = 7,728,592,174.12/121,363.38
  6. Step 6: Final answer
    x = 63,681.42

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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.