Home / 220,665.97-304,510.07-125,170.61

Finding the Fourth Proportional to 220,665.97, 304,510.07 and 125,170.61

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Solution

The fourth proportional to 220,665.97, 304,510.07 and 125,170.61 is: 172,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,665.97 : 304,510.07 = 125,170.61 : x
  2. Step 2: Convert to fraction form
    220,665.97/304,510.07 = 125,170.61/x
  3. Step 3: Cross multiply
    220,665.97x = 304,510.07 × 125,170.61
  4. Step 4: Simplify right side
    220,665.97x = 38,115,710,587.19
  5. Step 5: Solve for x
    x = 38,115,710,587.19/220,665.97
  6. Step 6: Final answer
    x = 172,730.36

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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.