Home / 119,464.56-179,079.36-57,120.48

Finding the Fourth Proportional to 119,464.56, 179,079.36 and 57,120.48

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Solution

The fourth proportional to 119,464.56, 179,079.36 and 57,120.48 is: 85,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,464.56 : 179,079.36 = 57,120.48 : x
  2. Step 2: Convert to fraction form
    119,464.56/179,079.36 = 57,120.48/x
  3. Step 3: Cross multiply
    119,464.56x = 179,079.36 × 57,120.48
  4. Step 4: Simplify right side
    119,464.56x = 10,229,099,001.29
  5. Step 5: Solve for x
    x = 10,229,099,001.29/119,464.56
  6. Step 6: Final answer
    x = 85,624.55

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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.