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Finding the Fourth Proportional to 153,424.56, 229,872.78 and 119,757.72

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Solution

The fourth proportional to 153,424.56, 229,872.78 and 119,757.72 is: 179,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,424.56 : 229,872.78 = 119,757.72 : x
  2. Step 2: Convert to fraction form
    153,424.56/229,872.78 = 119,757.72/x
  3. Step 3: Cross multiply
    153,424.56x = 229,872.78 × 119,757.72
  4. Step 4: Simplify right side
    153,424.56x = 27,529,040,022.86
  5. Step 5: Solve for x
    x = 27,529,040,022.86/153,424.56
  6. Step 6: Final answer
    x = 179,430.46

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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.