Home / 221,748.12-332,832.47-137,252.69

Finding the Fourth Proportional to 221,748.12, 332,832.47 and 137,252.69

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Solution

The fourth proportional to 221,748.12, 332,832.47 and 137,252.69 is: 206,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,748.12 : 332,832.47 = 137,252.69 : x
  2. Step 2: Convert to fraction form
    221,748.12/332,832.47 = 137,252.69/x
  3. Step 3: Cross multiply
    221,748.12x = 332,832.47 × 137,252.69
  4. Step 4: Simplify right side
    221,748.12x = 45,682,153,561.78
  5. Step 5: Solve for x
    x = 45,682,153,561.78/221,748.12
  6. Step 6: Final answer
    x = 206,009.20

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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.