Home / 132,009.42-197,972.37-69,645.90

Finding the Fourth Proportional to 132,009.42, 197,972.37 and 69,645.90

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Solution

The fourth proportional to 132,009.42, 197,972.37 and 69,645.90 is: 104,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,009.42 : 197,972.37 = 69,645.90 : x
  2. Step 2: Convert to fraction form
    132,009.42/197,972.37 = 69,645.90/x
  3. Step 3: Cross multiply
    132,009.42x = 197,972.37 × 69,645.90
  4. Step 4: Simplify right side
    132,009.42x = 13,787,963,883.78
  5. Step 5: Solve for x
    x = 13,787,963,883.78/132,009.42
  6. Step 6: Final answer
    x = 104,446.82

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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.