Home / 177,121.79-265,498.16-77,255.17

Finding the Fourth Proportional to 177,121.79, 265,498.16 and 77,255.17

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Solution

The fourth proportional to 177,121.79, 265,498.16 and 77,255.17 is: 115,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,121.79 : 265,498.16 = 77,255.17 : x
  2. Step 2: Convert to fraction form
    177,121.79/265,498.16 = 77,255.17/x
  3. Step 3: Cross multiply
    177,121.79x = 265,498.16 × 77,255.17
  4. Step 4: Simplify right side
    177,121.79x = 20,511,104,435.47
  5. Step 5: Solve for x
    x = 20,511,104,435.47/177,121.79
  6. Step 6: Final answer
    x = 115,802.27

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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.