Home / 195,930.90-270,381.65-109,889.87

Finding the Fourth Proportional to 195,930.90, 270,381.65 and 109,889.87

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Solution

The fourth proportional to 195,930.90, 270,381.65 and 109,889.87 is: 151,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,930.90 : 270,381.65 = 109,889.87 : x
  2. Step 2: Convert to fraction form
    195,930.90/270,381.65 = 109,889.87/x
  3. Step 3: Cross multiply
    195,930.90x = 270,381.65 × 109,889.87
  4. Step 4: Simplify right side
    195,930.90x = 29,712,202,467.53
  5. Step 5: Solve for x
    x = 29,712,202,467.53/195,930.90
  6. Step 6: Final answer
    x = 151,646.33

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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.