Home / 169,961.10-234,529.47-129,700.86

Finding the Fourth Proportional to 169,961.10, 234,529.47 and 129,700.86

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Solution

The fourth proportional to 169,961.10, 234,529.47 and 129,700.86 is: 178,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,961.10 : 234,529.47 = 129,700.86 : x
  2. Step 2: Convert to fraction form
    169,961.10/234,529.47 = 129,700.86/x
  3. Step 3: Cross multiply
    169,961.10x = 234,529.47 × 129,700.86
  4. Step 4: Simplify right side
    169,961.10x = 30,418,673,954.34
  5. Step 5: Solve for x
    x = 30,418,673,954.34/169,961.10
  6. Step 6: Final answer
    x = 178,974.33

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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.