Home / 99,122.04-148,687.62-28,050

Finding the Fourth Proportional to 99,122.04, 148,687.62 and 28,050

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Solution

The fourth proportional to 99,122.04, 148,687.62 and 28,050 is: 42,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,122.04 : 148,687.62 = 28,050 : x
  2. Step 2: Convert to fraction form
    99,122.04/148,687.62 = 28,050/x
  3. Step 3: Cross multiply
    99,122.04x = 148,687.62 × 28,050
  4. Step 4: Simplify right side
    99,122.04x = 4,170,687,741
  5. Step 5: Solve for x
    x = 4,170,687,741/99,122.04
  6. Step 6: Final answer
    x = 42,076.29

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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.