Home / 207,053.43-285,713.97-121,032.54

Finding the Fourth Proportional to 207,053.43, 285,713.97 and 121,032.54

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Solution

The fourth proportional to 207,053.43, 285,713.97 and 121,032.54 is: 167,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,053.43 : 285,713.97 = 121,032.54 : x
  2. Step 2: Convert to fraction form
    207,053.43/285,713.97 = 121,032.54/x
  3. Step 3: Cross multiply
    207,053.43x = 285,713.97 × 121,032.54
  4. Step 4: Simplify right side
    207,053.43x = 34,580,687,502.58
  5. Step 5: Solve for x
    x = 34,580,687,502.58/207,053.43
  6. Step 6: Final answer
    x = 167,013.35

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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.