Home / 98,238.02-135,568.48-55,796.44

Finding the Fourth Proportional to 98,238.02, 135,568.48 and 55,796.44

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Solution

The fourth proportional to 98,238.02, 135,568.48 and 55,796.44 is: 76,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,238.02 : 135,568.48 = 55,796.44 : x
  2. Step 2: Convert to fraction form
    98,238.02/135,568.48 = 55,796.44/x
  3. Step 3: Cross multiply
    98,238.02x = 135,568.48 × 55,796.44
  4. Step 4: Simplify right side
    98,238.02x = 7,564,238,560.21
  5. Step 5: Solve for x
    x = 7,564,238,560.21/98,238.02
  6. Step 6: Final answer
    x = 76,999.09

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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.