Home / 60,228.20-90,346.96-18,105

Finding the Fourth Proportional to 60,228.20, 90,346.96 and 18,105

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Solution

The fourth proportional to 60,228.20, 90,346.96 and 18,105 is: 27,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,228.20 : 90,346.96 = 18,105 : x
  2. Step 2: Convert to fraction form
    60,228.20/90,346.96 = 18,105/x
  3. Step 3: Cross multiply
    60,228.20x = 90,346.96 × 18,105
  4. Step 4: Simplify right side
    60,228.20x = 1,635,731,710.80
  5. Step 5: Solve for x
    x = 1,635,731,710.80/60,228.20
  6. Step 6: Final answer
    x = 27,158.90

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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.