Home / 121,044.98-166,811.60-88,788.56

Finding the Fourth Proportional to 121,044.98, 166,811.60 and 88,788.56

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Solution

The fourth proportional to 121,044.98, 166,811.60 and 88,788.56 is: 122,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,044.98 : 166,811.60 = 88,788.56 : x
  2. Step 2: Convert to fraction form
    121,044.98/166,811.60 = 88,788.56/x
  3. Step 3: Cross multiply
    121,044.98x = 166,811.60 × 88,788.56
  4. Step 4: Simplify right side
    121,044.98x = 14,810,961,143.21
  5. Step 5: Solve for x
    x = 14,810,961,143.21/121,044.98
  6. Step 6: Final answer
    x = 122,359.15

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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.