Home / 234,080.09-350,972.51-128,972.87

Finding the Fourth Proportional to 234,080.09, 350,972.51 and 128,972.87

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Solution

The fourth proportional to 234,080.09, 350,972.51 and 128,972.87 is: 193,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,080.09 : 350,972.51 = 128,972.87 : x
  2. Step 2: Convert to fraction form
    234,080.09/350,972.51 = 128,972.87/x
  3. Step 3: Cross multiply
    234,080.09x = 350,972.51 × 128,972.87
  4. Step 4: Simplify right side
    234,080.09x = 45,265,933,105.67
  5. Step 5: Solve for x
    x = 45,265,933,105.67/234,080.09
  6. Step 6: Final answer
    x = 193,377.97

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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.