Home / 88,850.08-132,626.87-77,639.80

Finding the Fourth Proportional to 88,850.08, 132,626.87 and 77,639.80

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Solution

The fourth proportional to 88,850.08, 132,626.87 and 77,639.80 is: 115,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,850.08 : 132,626.87 = 77,639.80 : x
  2. Step 2: Convert to fraction form
    88,850.08/132,626.87 = 77,639.80/x
  3. Step 3: Cross multiply
    88,850.08x = 132,626.87 × 77,639.80
  4. Step 4: Simplify right side
    88,850.08x = 10,297,123,661.43
  5. Step 5: Solve for x
    x = 10,297,123,661.43/88,850.08
  6. Step 6: Final answer
    x = 115,893.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.