Home / 146,487.90-219,731.85-111,495.90

Finding the Fourth Proportional to 146,487.90, 219,731.85 and 111,495.90

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Solution

The fourth proportional to 146,487.90, 219,731.85 and 111,495.90 is: 167,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,487.90 : 219,731.85 = 111,495.90 : x
  2. Step 2: Convert to fraction form
    146,487.90/219,731.85 = 111,495.90/x
  3. Step 3: Cross multiply
    146,487.90x = 219,731.85 × 111,495.90
  4. Step 4: Simplify right side
    146,487.90x = 24,499,200,374.42
  5. Step 5: Solve for x
    x = 24,499,200,374.42/146,487.90
  6. Step 6: Final answer
    x = 167,243.85

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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.