Home / 239,874.04-331,039.16-132,443.76

Finding the Fourth Proportional to 239,874.04, 331,039.16 and 132,443.76

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Solution

The fourth proportional to 239,874.04, 331,039.16 and 132,443.76 is: 182,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,874.04 : 331,039.16 = 132,443.76 : x
  2. Step 2: Convert to fraction form
    239,874.04/331,039.16 = 132,443.76/x
  3. Step 3: Cross multiply
    239,874.04x = 331,039.16 × 132,443.76
  4. Step 4: Simplify right side
    239,874.04x = 43,844,071,057.64
  5. Step 5: Solve for x
    x = 43,844,071,057.64/239,874.04
  6. Step 6: Final answer
    x = 182,779.56

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1.5x scale

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.