Home / 88,080.78-132,120.62-21,521.26

Finding the Fourth Proportional to 88,080.78, 132,120.62 and 21,521.26

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Solution

The fourth proportional to 88,080.78, 132,120.62 and 21,521.26 is: 32,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,080.78 : 132,120.62 = 21,521.26 : x
  2. Step 2: Convert to fraction form
    88,080.78/132,120.62 = 21,521.26/x
  3. Step 3: Cross multiply
    88,080.78x = 132,120.62 × 21,521.26
  4. Step 4: Simplify right side
    88,080.78x = 2,843,402,214.38
  5. Step 5: Solve for x
    x = 2,843,402,214.38/88,080.78
  6. Step 6: Final answer
    x = 32,281.76

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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.