Home / 99,270.65-148,933.77-40,147.84

Finding the Fourth Proportional to 99,270.65, 148,933.77 and 40,147.84

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Solution

The fourth proportional to 99,270.65, 148,933.77 and 40,147.84 is: 60,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,270.65 : 148,933.77 = 40,147.84 : x
  2. Step 2: Convert to fraction form
    99,270.65/148,933.77 = 40,147.84/x
  3. Step 3: Cross multiply
    99,270.65x = 148,933.77 × 40,147.84
  4. Step 4: Simplify right side
    99,270.65x = 5,979,369,168.56
  5. Step 5: Solve for x
    x = 5,979,369,168.56/99,270.65
  6. Step 6: Final answer
    x = 60,233.00

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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.