Home / 91,520.06-137,368.86-44,168.48

Finding the Fourth Proportional to 91,520.06, 137,368.86 and 44,168.48

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Solution

The fourth proportional to 91,520.06, 137,368.86 and 44,168.48 is: 66,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,520.06 : 137,368.86 = 44,168.48 : x
  2. Step 2: Convert to fraction form
    91,520.06/137,368.86 = 44,168.48/x
  3. Step 3: Cross multiply
    91,520.06x = 137,368.86 × 44,168.48
  4. Step 4: Simplify right side
    91,520.06x = 6,067,373,745.53
  5. Step 5: Solve for x
    x = 6,067,373,745.53/91,520.06
  6. Step 6: Final answer
    x = 66,295.56

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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.