Home / 84,774.16-127,162.45-25,610.34

Finding the Fourth Proportional to 84,774.16, 127,162.45 and 25,610.34

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Solution

The fourth proportional to 84,774.16, 127,162.45 and 25,610.34 is: 38,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,774.16 : 127,162.45 = 25,610.34 : x
  2. Step 2: Convert to fraction form
    84,774.16/127,162.45 = 25,610.34/x
  3. Step 3: Cross multiply
    84,774.16x = 127,162.45 × 25,610.34
  4. Step 4: Simplify right side
    84,774.16x = 3,256,673,579.73
  5. Step 5: Solve for x
    x = 3,256,673,579.73/84,774.16
  6. Step 6: Final answer
    x = 38,415.88

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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.