Home / 172,376.20-258,564.30-149,048.20

Finding the Fourth Proportional to 172,376.20, 258,564.30 and 149,048.20

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Solution

The fourth proportional to 172,376.20, 258,564.30 and 149,048.20 is: 223,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,376.20 : 258,564.30 = 149,048.20 : x
  2. Step 2: Convert to fraction form
    172,376.20/258,564.30 = 149,048.20/x
  3. Step 3: Cross multiply
    172,376.20x = 258,564.30 × 149,048.20
  4. Step 4: Simplify right side
    172,376.20x = 38,538,543,499.26
  5. Step 5: Solve for x
    x = 38,538,543,499.26/172,376.20
  6. Step 6: Final answer
    x = 223,572.30

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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.