Home / 98,207.57-135,537.94-55,187.12

Finding the Fourth Proportional to 98,207.57, 135,537.94 and 55,187.12

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Solution

The fourth proportional to 98,207.57, 135,537.94 and 55,187.12 is: 76,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,207.57 : 135,537.94 = 55,187.12 : x
  2. Step 2: Convert to fraction form
    98,207.57/135,537.94 = 55,187.12/x
  3. Step 3: Cross multiply
    98,207.57x = 135,537.94 × 55,187.12
  4. Step 4: Simplify right side
    98,207.57x = 7,479,948,967.16
  5. Step 5: Solve for x
    x = 7,479,948,967.16/98,207.57
  6. Step 6: Final answer
    x = 76,164.69

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1.5x scale

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.