Home / 177,100.20-265,715.10-71,929.80

Finding the Fourth Proportional to 177,100.20, 265,715.10 and 71,929.80

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Solution

The fourth proportional to 177,100.20, 265,715.10 and 71,929.80 is: 107,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,100.20 : 265,715.10 = 71,929.80 : x
  2. Step 2: Convert to fraction form
    177,100.20/265,715.10 = 71,929.80/x
  3. Step 3: Cross multiply
    177,100.20x = 265,715.10 × 71,929.80
  4. Step 4: Simplify right side
    177,100.20x = 19,112,833,999.98
  5. Step 5: Solve for x
    x = 19,112,833,999.98/177,100.20
  6. Step 6: Final answer
    x = 107,921.02

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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.