Home / 195,747.59-270,150.64-109,721.19

Finding the Fourth Proportional to 195,747.59, 270,150.64 and 109,721.19

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Solution

The fourth proportional to 195,747.59, 270,150.64 and 109,721.19 is: 151,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,747.59 : 270,150.64 = 109,721.19 : x
  2. Step 2: Convert to fraction form
    195,747.59/270,150.64 = 109,721.19/x
  3. Step 3: Cross multiply
    195,747.59x = 270,150.64 × 109,721.19
  4. Step 4: Simplify right side
    195,747.59x = 29,641,249,425.76
  5. Step 5: Solve for x
    x = 29,641,249,425.76/195,747.59
  6. Step 6: Final answer
    x = 151,425.87

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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.