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Finding the Fourth Proportional to 159,184.33, 219,679.01 and 91,207.69

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Solution

The fourth proportional to 159,184.33, 219,679.01 and 91,207.69 is: 125,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,184.33 : 219,679.01 = 91,207.69 : x
  2. Step 2: Convert to fraction form
    159,184.33/219,679.01 = 91,207.69/x
  3. Step 3: Cross multiply
    159,184.33x = 219,679.01 × 91,207.69
  4. Step 4: Simplify right side
    159,184.33x = 20,036,414,380.38
  5. Step 5: Solve for x
    x = 20,036,414,380.38/159,184.33
  6. Step 6: Final answer
    x = 125,869.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.