Home / 98,351.24-135,725.16-55,918.64

Finding the Fourth Proportional to 98,351.24, 135,725.16 and 55,918.64

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Solution

The fourth proportional to 98,351.24, 135,725.16 and 55,918.64 is: 77,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,351.24 : 135,725.16 = 55,918.64 : x
  2. Step 2: Convert to fraction form
    98,351.24/135,725.16 = 55,918.64/x
  3. Step 3: Cross multiply
    98,351.24x = 135,725.16 × 55,918.64
  4. Step 4: Simplify right side
    98,351.24x = 7,589,566,360.98
  5. Step 5: Solve for x
    x = 7,589,566,360.98/98,351.24
  6. Step 6: Final answer
    x = 77,167.98

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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.