Home / 177,160.32-265,851.20-71,979.29

Finding the Fourth Proportional to 177,160.32, 265,851.20 and 71,979.29

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Solution

The fourth proportional to 177,160.32, 265,851.20 and 71,979.29 is: 108,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,160.32 : 265,851.20 = 71,979.29 : x
  2. Step 2: Convert to fraction form
    177,160.32/265,851.20 = 71,979.29/x
  3. Step 3: Cross multiply
    177,160.32x = 265,851.20 × 71,979.29
  4. Step 4: Simplify right side
    177,160.32x = 19,135,780,064.40
  5. Step 5: Solve for x
    x = 19,135,780,064.40/177,160.32
  6. Step 6: Final answer
    x = 108,013.92

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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.