Home / 192,399.75-265,517.33-107,517.02

Finding the Fourth Proportional to 192,399.75, 265,517.33 and 107,517.02

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Solution

The fourth proportional to 192,399.75, 265,517.33 and 107,517.02 is: 148,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,399.75 : 265,517.33 = 107,517.02 : x
  2. Step 2: Convert to fraction form
    192,399.75/265,517.33 = 107,517.02/x
  3. Step 3: Cross multiply
    192,399.75x = 265,517.33 × 107,517.02
  4. Step 4: Simplify right side
    192,399.75x = 28,547,630,214.78
  5. Step 5: Solve for x
    x = 28,547,630,214.78/192,399.75
  6. Step 6: Final answer
    x = 148,376.65

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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.