Home / 89,153.62-132,801.39-84,420.38

Finding the Fourth Proportional to 89,153.62, 132,801.39 and 84,420.38

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Solution

The fourth proportional to 89,153.62, 132,801.39 and 84,420.38 is: 125,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,153.62 : 132,801.39 = 84,420.38 : x
  2. Step 2: Convert to fraction form
    89,153.62/132,801.39 = 84,420.38/x
  3. Step 3: Cross multiply
    89,153.62x = 132,801.39 × 84,420.38
  4. Step 4: Simplify right side
    89,153.62x = 11,211,144,140.33
  5. Step 5: Solve for x
    x = 11,211,144,140.33/89,153.62
  6. Step 6: Final answer
    x = 125,750.86

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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.