Home / 89,250.27-122,928.87-66,516.54

Finding the Fourth Proportional to 89,250.27, 122,928.87 and 66,516.54

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Solution

The fourth proportional to 89,250.27, 122,928.87 and 66,516.54 is: 91,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,250.27 : 122,928.87 = 66,516.54 : x
  2. Step 2: Convert to fraction form
    89,250.27/122,928.87 = 66,516.54/x
  3. Step 3: Cross multiply
    89,250.27x = 122,928.87 × 66,516.54
  4. Step 4: Simplify right side
    89,250.27x = 8,176,803,098.51
  5. Step 5: Solve for x
    x = 8,176,803,098.51/89,250.27
  6. Step 6: Final answer
    x = 91,616.56

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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.