Home / 134,872.56-186,211.80-120,701.04

Finding the Fourth Proportional to 134,872.56, 186,211.80 and 120,701.04

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Solution

The fourth proportional to 134,872.56, 186,211.80 and 120,701.04 is: 166,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,872.56 : 186,211.80 = 120,701.04 : x
  2. Step 2: Convert to fraction form
    134,872.56/186,211.80 = 120,701.04/x
  3. Step 3: Cross multiply
    134,872.56x = 186,211.80 × 120,701.04
  4. Step 4: Simplify right side
    134,872.56x = 22,475,957,920.27
  5. Step 5: Solve for x
    x = 22,475,957,920.27/134,872.56
  6. Step 6: Final answer
    x = 166,645.89

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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.