Home / 132,077.85-198,147-57,210.47

Finding the Fourth Proportional to 132,077.85, 198,147 and 57,210.47

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Solution

The fourth proportional to 132,077.85, 198,147 and 57,210.47 is: 85,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,077.85 : 198,147 = 57,210.47 : x
  2. Step 2: Convert to fraction form
    132,077.85/198,147 = 57,210.47/x
  3. Step 3: Cross multiply
    132,077.85x = 198,147 × 57,210.47
  4. Step 4: Simplify right side
    132,077.85x = 11,336,082,008.36
  5. Step 5: Solve for x
    x = 11,336,082,008.36/132,077.85
  6. Step 6: Final answer
    x = 85,828.79

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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.