Home / 199,739.32-275,520.08-131,732.12

Finding the Fourth Proportional to 199,739.32, 275,520.08 and 131,732.12

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Solution

The fourth proportional to 199,739.32, 275,520.08 and 131,732.12 is: 181,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,739.32 : 275,520.08 = 131,732.12 : x
  2. Step 2: Convert to fraction form
    199,739.32/275,520.08 = 131,732.12/x
  3. Step 3: Cross multiply
    199,739.32x = 275,520.08 × 131,732.12
  4. Step 4: Simplify right side
    199,739.32x = 36,294,845,259.10
  5. Step 5: Solve for x
    x = 36,294,845,259.10/199,739.32
  6. Step 6: Final answer
    x = 181,711.07

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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.