Home / 121,742.73-182,614.10-79,658.24

Finding the Fourth Proportional to 121,742.73, 182,614.10 and 79,658.24

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Solution

The fourth proportional to 121,742.73, 182,614.10 and 79,658.24 is: 119,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,742.73 : 182,614.10 = 79,658.24 : x
  2. Step 2: Convert to fraction form
    121,742.73/182,614.10 = 79,658.24/x
  3. Step 3: Cross multiply
    121,742.73x = 182,614.10 × 79,658.24
  4. Step 4: Simplify right side
    121,742.73x = 14,546,716,493.82
  5. Step 5: Solve for x
    x = 14,546,716,493.82/121,742.73
  6. Step 6: Final answer
    x = 119,487.35

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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.