Home / 199,659.42-275,575.95-131,688.54

Finding the Fourth Proportional to 199,659.42, 275,575.95 and 131,688.54

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Solution

The fourth proportional to 199,659.42, 275,575.95 and 131,688.54 is: 181,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,659.42 : 275,575.95 = 131,688.54 : x
  2. Step 2: Convert to fraction form
    199,659.42/275,575.95 = 131,688.54/x
  3. Step 3: Cross multiply
    199,659.42x = 275,575.95 × 131,688.54
  4. Step 4: Simplify right side
    199,659.42x = 36,290,194,514.61
  5. Step 5: Solve for x
    x = 36,290,194,514.61/199,659.42
  6. Step 6: Final answer
    x = 181,760.49

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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.