Home / 120,449.52-166,243.62-69,495.18

Finding the Fourth Proportional to 120,449.52, 166,243.62 and 69,495.18

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Solution

The fourth proportional to 120,449.52, 166,243.62 and 69,495.18 is: 95,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,449.52 : 166,243.62 = 69,495.18 : x
  2. Step 2: Convert to fraction form
    120,449.52/166,243.62 = 69,495.18/x
  3. Step 3: Cross multiply
    120,449.52x = 166,243.62 × 69,495.18
  4. Step 4: Simplify right side
    120,449.52x = 11,553,130,295.75
  5. Step 5: Solve for x
    x = 11,553,130,295.75/120,449.52
  6. Step 6: Final answer
    x = 95,916.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.