Home / 238,581.05-357,576.12-120,187.80

Finding the Fourth Proportional to 238,581.05, 357,576.12 and 120,187.80

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Solution

The fourth proportional to 238,581.05, 357,576.12 and 120,187.80 is: 180,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,581.05 : 357,576.12 = 120,187.80 : x
  2. Step 2: Convert to fraction form
    238,581.05/357,576.12 = 120,187.80/x
  3. Step 3: Cross multiply
    238,581.05x = 357,576.12 × 120,187.80
  4. Step 4: Simplify right side
    238,581.05x = 42,976,287,195.34
  5. Step 5: Solve for x
    x = 42,976,287,195.34/238,581.05
  6. Step 6: Final answer
    x = 180,132.87

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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.