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Finding the Fourth Proportional to 169,513.71, 254,270.53 and 132,101.77

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Solution

The fourth proportional to 169,513.71, 254,270.53 and 132,101.77 is: 198,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,513.71 : 254,270.53 = 132,101.77 : x
  2. Step 2: Convert to fraction form
    169,513.71/254,270.53 = 132,101.77/x
  3. Step 3: Cross multiply
    169,513.71x = 254,270.53 × 132,101.77
  4. Step 4: Simplify right side
    169,513.71x = 33,589,587,071.84
  5. Step 5: Solve for x
    x = 33,589,587,071.84/169,513.71
  6. Step 6: Final answer
    x = 198,152.63

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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.