Home / 88,078.62-132,117.44-21,519.12

Finding the Fourth Proportional to 88,078.62, 132,117.44 and 21,519.12

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Solution

The fourth proportional to 88,078.62, 132,117.44 and 21,519.12 is: 32,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,078.62 : 132,117.44 = 21,519.12 : x
  2. Step 2: Convert to fraction form
    88,078.62/132,117.44 = 21,519.12/x
  3. Step 3: Cross multiply
    88,078.62x = 132,117.44 × 21,519.12
  4. Step 4: Simplify right side
    88,078.62x = 2,843,051,045.45
  5. Step 5: Solve for x
    x = 2,843,051,045.45/88,078.62
  6. Step 6: Final answer
    x = 32,278.56

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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.