Home / 198,587.80-274,050.66-107,943.76

Finding the Fourth Proportional to 198,587.80, 274,050.66 and 107,943.76

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Solution

The fourth proportional to 198,587.80, 274,050.66 and 107,943.76 is: 148,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,587.80 : 274,050.66 = 107,943.76 : x
  2. Step 2: Convert to fraction form
    198,587.80/274,050.66 = 107,943.76/x
  3. Step 3: Cross multiply
    198,587.80x = 274,050.66 × 107,943.76
  4. Step 4: Simplify right side
    198,587.80x = 29,582,058,670.88
  5. Step 5: Solve for x
    x = 29,582,058,670.88/198,587.80
  6. Step 6: Final answer
    x = 148,962.11

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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.