Home / 75,171.08-112,774.05-21,864.33

Finding the Fourth Proportional to 75,171.08, 112,774.05 and 21,864.33

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Solution

The fourth proportional to 75,171.08, 112,774.05 and 21,864.33 is: 32,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.08 : 112,774.05 = 21,864.33 : x
  2. Step 2: Convert to fraction form
    75,171.08/112,774.05 = 21,864.33/x
  3. Step 3: Cross multiply
    75,171.08x = 112,774.05 × 21,864.33
  4. Step 4: Simplify right side
    75,171.08x = 2,465,729,044.64
  5. Step 5: Solve for x
    x = 2,465,729,044.64/75,171.08
  6. Step 6: Final answer
    x = 32,801.56

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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.