Home / 110,732.16-166,100.80-39,659.66

Finding the Fourth Proportional to 110,732.16, 166,100.80 and 39,659.66

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Solution

The fourth proportional to 110,732.16, 166,100.80 and 39,659.66 is: 59,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,732.16 : 166,100.80 = 39,659.66 : x
  2. Step 2: Convert to fraction form
    110,732.16/166,100.80 = 39,659.66/x
  3. Step 3: Cross multiply
    110,732.16x = 166,100.80 × 39,659.66
  4. Step 4: Simplify right side
    110,732.16x = 6,587,501,253.73
  5. Step 5: Solve for x
    x = 6,587,501,253.73/110,732.16
  6. Step 6: Final answer
    x = 59,490.41

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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.