Home / 91,247.75-136,871.96-28,067.45

Finding the Fourth Proportional to 91,247.75, 136,871.96 and 28,067.45

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Solution

The fourth proportional to 91,247.75, 136,871.96 and 28,067.45 is: 42,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,247.75 : 136,871.96 = 28,067.45 : x
  2. Step 2: Convert to fraction form
    91,247.75/136,871.96 = 28,067.45/x
  3. Step 3: Cross multiply
    91,247.75x = 136,871.96 × 28,067.45
  4. Step 4: Simplify right side
    91,247.75x = 3,841,647,095.54
  5. Step 5: Solve for x
    x = 3,841,647,095.54/91,247.75
  6. Step 6: Final answer
    x = 42,101.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.