Home / 84,918.30-127,231.65-70,046.70

Finding the Fourth Proportional to 84,918.30, 127,231.65 and 70,046.70

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Solution

The fourth proportional to 84,918.30, 127,231.65 and 70,046.70 is: 104,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,918.30 : 127,231.65 = 70,046.70 : x
  2. Step 2: Convert to fraction form
    84,918.30/127,231.65 = 70,046.70/x
  3. Step 3: Cross multiply
    84,918.30x = 127,231.65 × 70,046.70
  4. Step 4: Simplify right side
    84,918.30x = 8,912,157,218.06
  5. Step 5: Solve for x
    x = 8,912,157,218.06/84,918.30
  6. Step 6: Final answer
    x = 104,949.78

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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.