Home / 120,829.41-166,805.19-75,532.59

Finding the Fourth Proportional to 120,829.41, 166,805.19 and 75,532.59

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Solution

The fourth proportional to 120,829.41, 166,805.19 and 75,532.59 is: 104,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,829.41 : 166,805.19 = 75,532.59 : x
  2. Step 2: Convert to fraction form
    120,829.41/166,805.19 = 75,532.59/x
  3. Step 3: Cross multiply
    120,829.41x = 166,805.19 × 75,532.59
  4. Step 4: Simplify right side
    120,829.41x = 12,599,228,026.14
  5. Step 5: Solve for x
    x = 12,599,228,026.14/120,829.41
  6. Step 6: Final answer
    x = 104,272.86

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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.