Home / 98,294.31-135,642.13-55,272.58

Finding the Fourth Proportional to 98,294.31, 135,642.13 and 55,272.58

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Solution

The fourth proportional to 98,294.31, 135,642.13 and 55,272.58 is: 76,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,294.31 : 135,642.13 = 55,272.58 : x
  2. Step 2: Convert to fraction form
    98,294.31/135,642.13 = 55,272.58/x
  3. Step 3: Cross multiply
    98,294.31x = 135,642.13 × 55,272.58
  4. Step 4: Simplify right side
    98,294.31x = 7,497,290,004.51
  5. Step 5: Solve for x
    x = 7,497,290,004.51/98,294.31
  6. Step 6: Final answer
    x = 76,273.90

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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.