Home / 177,120.78-265,684.82-71,867.76

Finding the Fourth Proportional to 177,120.78, 265,684.82 and 71,867.76

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Solution

The fourth proportional to 177,120.78, 265,684.82 and 71,867.76 is: 107,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,120.78 : 265,684.82 = 71,867.76 : x
  2. Step 2: Convert to fraction form
    177,120.78/265,684.82 = 71,867.76/x
  3. Step 3: Cross multiply
    177,120.78x = 265,684.82 × 71,867.76
  4. Step 4: Simplify right side
    177,120.78x = 19,094,172,879.40
  5. Step 5: Solve for x
    x = 19,094,172,879.40/177,120.78
  6. Step 6: Final answer
    x = 107,803.12

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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.