Home / 84,964.96-127,439.20-25,801.12

Finding the Fourth Proportional to 84,964.96, 127,439.20 and 25,801.12

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Solution

The fourth proportional to 84,964.96, 127,439.20 and 25,801.12 is: 38,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,964.96 : 127,439.20 = 25,801.12 : x
  2. Step 2: Convert to fraction form
    84,964.96/127,439.20 = 25,801.12/x
  3. Step 3: Cross multiply
    84,964.96x = 127,439.20 × 25,801.12
  4. Step 4: Simplify right side
    84,964.96x = 3,288,074,091.90
  5. Step 5: Solve for x
    x = 3,288,074,091.90/84,964.96
  6. Step 6: Final answer
    x = 38,699.18

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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.