Home / 169,521.70-254,282.55-132,109.76

Finding the Fourth Proportional to 169,521.70, 254,282.55 and 132,109.76

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Solution

The fourth proportional to 169,521.70, 254,282.55 and 132,109.76 is: 198,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,521.70 : 254,282.55 = 132,109.76 : x
  2. Step 2: Convert to fraction form
    169,521.70/254,282.55 = 132,109.76/x
  3. Step 3: Cross multiply
    169,521.70x = 254,282.55 × 132,109.76
  4. Step 4: Simplify right side
    169,521.70x = 33,593,206,652.69
  5. Step 5: Solve for x
    x = 33,593,206,652.69/169,521.70
  6. Step 6: Final answer
    x = 198,164.64

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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.