Home / 96,999.12-145,190.88-63,640.08

Finding the Fourth Proportional to 96,999.12, 145,190.88 and 63,640.08

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Solution

The fourth proportional to 96,999.12, 145,190.88 and 63,640.08 is: 95,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,999.12 : 145,190.88 = 63,640.08 : x
  2. Step 2: Convert to fraction form
    96,999.12/145,190.88 = 63,640.08/x
  3. Step 3: Cross multiply
    96,999.12x = 145,190.88 × 63,640.08
  4. Step 4: Simplify right side
    96,999.12x = 9,239,959,218.47
  5. Step 5: Solve for x
    x = 9,239,959,218.47/96,999.12
  6. Step 6: Final answer
    x = 95,258.18

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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.