Home / 199,931.52-275,912.92-109,293.64

Finding the Fourth Proportional to 199,931.52, 275,912.92 and 109,293.64

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Solution

The fourth proportional to 199,931.52, 275,912.92 and 109,293.64 is: 150,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,931.52 : 275,912.92 = 109,293.64 : x
  2. Step 2: Convert to fraction form
    199,931.52/275,912.92 = 109,293.64/x
  3. Step 3: Cross multiply
    199,931.52x = 275,912.92 × 109,293.64
  4. Step 4: Simplify right side
    199,931.52x = 30,155,527,349.83
  5. Step 5: Solve for x
    x = 30,155,527,349.83/199,931.52
  6. Step 6: Final answer
    x = 150,829.28

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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.