Home / 198,725.31-274,123.92-125,020.32

Finding the Fourth Proportional to 198,725.31, 274,123.92 and 125,020.32

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Solution

The fourth proportional to 198,725.31, 274,123.92 and 125,020.32 is: 172,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,725.31 : 274,123.92 = 125,020.32 : x
  2. Step 2: Convert to fraction form
    198,725.31/274,123.92 = 125,020.32/x
  3. Step 3: Cross multiply
    198,725.31x = 274,123.92 × 125,020.32
  4. Step 4: Simplify right side
    198,725.31x = 34,271,058,848.58
  5. Step 5: Solve for x
    x = 34,271,058,848.58/198,725.31
  6. Step 6: Final answer
    x = 172,454.42

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1.5x scale

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.