Home / 98,734-136,252.02-55,713.79

Finding the Fourth Proportional to 98,734, 136,252.02 and 55,713.79

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Solution

The fourth proportional to 98,734, 136,252.02 and 55,713.79 is: 76,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,734 : 136,252.02 = 55,713.79 : x
  2. Step 2: Convert to fraction form
    98,734/136,252.02 = 55,713.79/x
  3. Step 3: Cross multiply
    98,734x = 136,252.02 × 55,713.79
  4. Step 4: Simplify right side
    98,734x = 7,591,116,429.36
  5. Step 5: Solve for x
    x = 7,591,116,429.36/98,734
  6. Step 6: Final answer
    x = 76,884.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.