Home / 89,990.11-124,201.52-52,286.23

Finding the Fourth Proportional to 89,990.11, 124,201.52 and 52,286.23

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Solution

The fourth proportional to 89,990.11, 124,201.52 and 52,286.23 is: 72,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,990.11 : 124,201.52 = 52,286.23 : x
  2. Step 2: Convert to fraction form
    89,990.11/124,201.52 = 52,286.23/x
  3. Step 3: Cross multiply
    89,990.11x = 124,201.52 × 52,286.23
  4. Step 4: Simplify right side
    89,990.11x = 6,494,029,241.07
  5. Step 5: Solve for x
    x = 6,494,029,241.07/89,990.11
  6. Step 6: Final answer
    x = 72,163.81

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Double scale
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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.