Home / 150,105.28-225,074.72-61,420.96

Finding the Fourth Proportional to 150,105.28, 225,074.72 and 61,420.96

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Solution

The fourth proportional to 150,105.28, 225,074.72 and 61,420.96 is: 92,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,105.28 : 225,074.72 = 61,420.96 : x
  2. Step 2: Convert to fraction form
    150,105.28/225,074.72 = 61,420.96/x
  3. Step 3: Cross multiply
    150,105.28x = 225,074.72 × 61,420.96
  4. Step 4: Simplify right side
    150,105.28x = 13,824,305,374.13
  5. Step 5: Solve for x
    x = 13,824,305,374.13/150,105.28
  6. Step 6: Final answer
    x = 92,097.40

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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.