Home / 110,757.28-152,791.92-72,500.08

Finding the Fourth Proportional to 110,757.28, 152,791.92 and 72,500.08

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Solution

The fourth proportional to 110,757.28, 152,791.92 and 72,500.08 is: 100,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,757.28 : 152,791.92 = 72,500.08 : x
  2. Step 2: Convert to fraction form
    110,757.28/152,791.92 = 72,500.08/x
  3. Step 3: Cross multiply
    110,757.28x = 152,791.92 × 72,500.08
  4. Step 4: Simplify right side
    110,757.28x = 11,077,426,423.35
  5. Step 5: Solve for x
    x = 11,077,426,423.35/110,757.28
  6. Step 6: Final answer
    x = 100,015.33

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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.