Home / 122,799.96-169,484.66-71,109.54

Finding the Fourth Proportional to 122,799.96, 169,484.66 and 71,109.54

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Solution

The fourth proportional to 122,799.96, 169,484.66 and 71,109.54 is: 98,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,799.96 : 169,484.66 = 71,109.54 : x
  2. Step 2: Convert to fraction form
    122,799.96/169,484.66 = 71,109.54/x
  3. Step 3: Cross multiply
    122,799.96x = 169,484.66 × 71,109.54
  4. Step 4: Simplify right side
    122,799.96x = 12,051,976,209.66
  5. Step 5: Solve for x
    x = 12,051,976,209.66/122,799.96
  6. Step 6: Final answer
    x = 98,143.16

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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.