Home / 98,226.44-135,553.40-55,785.28

Finding the Fourth Proportional to 98,226.44, 135,553.40 and 55,785.28

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Solution

The fourth proportional to 98,226.44, 135,553.40 and 55,785.28 is: 76,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,226.44 : 135,553.40 = 55,785.28 : x
  2. Step 2: Convert to fraction form
    98,226.44/135,553.40 = 55,785.28/x
  3. Step 3: Cross multiply
    98,226.44x = 135,553.40 × 55,785.28
  4. Step 4: Simplify right side
    98,226.44x = 7,561,884,373.95
  5. Step 5: Solve for x
    x = 7,561,884,373.95/98,226.44
  6. Step 6: Final answer
    x = 76,984.20

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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.