Home / 161,100.19-241,589.39-129,432.43

Finding the Fourth Proportional to 161,100.19, 241,589.39 and 129,432.43

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Solution

The fourth proportional to 161,100.19, 241,589.39 and 129,432.43 is: 194,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,100.19 : 241,589.39 = 129,432.43 : x
  2. Step 2: Convert to fraction form
    161,100.19/241,589.39 = 129,432.43/x
  3. Step 3: Cross multiply
    161,100.19x = 241,589.39 × 129,432.43
  4. Step 4: Simplify right side
    161,100.19x = 31,269,501,464.74
  5. Step 5: Solve for x
    x = 31,269,501,464.74/161,100.19
  6. Step 6: Final answer
    x = 194,099.72

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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.