Home / 206,726.29-285,264.77-125,084.95

Finding the Fourth Proportional to 206,726.29, 285,264.77 and 125,084.95

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Solution

The fourth proportional to 206,726.29, 285,264.77 and 125,084.95 is: 172,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,726.29 : 285,264.77 = 125,084.95 : x
  2. Step 2: Convert to fraction form
    206,726.29/285,264.77 = 125,084.95/x
  3. Step 3: Cross multiply
    206,726.29x = 285,264.77 × 125,084.95
  4. Step 4: Simplify right side
    206,726.29x = 35,682,328,866.79
  5. Step 5: Solve for x
    x = 35,682,328,866.79/206,726.29
  6. Step 6: Final answer
    x = 172,606.63

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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.