Home / 205,862.92-284,160.90-121,005.16

Finding the Fourth Proportional to 205,862.92, 284,160.90 and 121,005.16

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Solution

The fourth proportional to 205,862.92, 284,160.90 and 121,005.16 is: 167,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,862.92 : 284,160.90 = 121,005.16 : x
  2. Step 2: Convert to fraction form
    205,862.92/284,160.90 = 121,005.16/x
  3. Step 3: Cross multiply
    205,862.92x = 284,160.90 × 121,005.16
  4. Step 4: Simplify right side
    205,862.92x = 34,384,935,170.24
  5. Step 5: Solve for x
    x = 34,384,935,170.24/205,862.92
  6. Step 6: Final answer
    x = 167,028.31

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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.