Home / 153,381.42-229,965.38-67,945.89

Finding the Fourth Proportional to 153,381.42, 229,965.38 and 67,945.89

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Solution

The fourth proportional to 153,381.42, 229,965.38 and 67,945.89 is: 101,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,381.42 : 229,965.38 = 67,945.89 : x
  2. Step 2: Convert to fraction form
    153,381.42/229,965.38 = 67,945.89/x
  3. Step 3: Cross multiply
    153,381.42x = 229,965.38 × 67,945.89
  4. Step 4: Simplify right side
    153,381.42x = 15,625,202,073.56
  5. Step 5: Solve for x
    x = 15,625,202,073.56/153,381.42
  6. Step 6: Final answer
    x = 101,871.54

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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.