Home / 205,052.30-307,232.85-99,644.30

Finding the Fourth Proportional to 205,052.30, 307,232.85 and 99,644.30

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Solution

The fourth proportional to 205,052.30, 307,232.85 and 99,644.30 is: 149,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,052.30 : 307,232.85 = 99,644.30 : x
  2. Step 2: Convert to fraction form
    205,052.30/307,232.85 = 99,644.30/x
  3. Step 3: Cross multiply
    205,052.30x = 307,232.85 × 99,644.30
  4. Step 4: Simplify right side
    205,052.30x = 30,614,002,275.26
  5. Step 5: Solve for x
    x = 30,614,002,275.26/205,052.30
  6. Step 6: Final answer
    x = 149,298.51

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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.