Home / 152,747.28-229,005.72-100,170

Finding the Fourth Proportional to 152,747.28, 229,005.72 and 100,170

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Solution

The fourth proportional to 152,747.28, 229,005.72 and 100,170 is: 150,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,747.28 : 229,005.72 = 100,170 : x
  2. Step 2: Convert to fraction form
    152,747.28/229,005.72 = 100,170/x
  3. Step 3: Cross multiply
    152,747.28x = 229,005.72 × 100,170
  4. Step 4: Simplify right side
    152,747.28x = 22,939,502,972.40
  5. Step 5: Solve for x
    x = 22,939,502,972.40/152,747.28
  6. Step 6: Final answer
    x = 150,179.45

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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.