Home / 239,886.85-331,041.72-132,454.57

Finding the Fourth Proportional to 239,886.85, 331,041.72 and 132,454.57

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Solution

The fourth proportional to 239,886.85, 331,041.72 and 132,454.57 is: 182,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,886.85 : 331,041.72 = 132,454.57 : x
  2. Step 2: Convert to fraction form
    239,886.85/331,041.72 = 132,454.57/x
  3. Step 3: Cross multiply
    239,886.85x = 331,041.72 × 132,454.57
  4. Step 4: Simplify right side
    239,886.85x = 43,847,988,674.66
  5. Step 5: Solve for x
    x = 43,847,988,674.66/239,886.85
  6. Step 6: Final answer
    x = 182,786.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.