Home / 97,939.68-135,175.52-55,500

Finding the Fourth Proportional to 97,939.68, 135,175.52 and 55,500

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Solution

The fourth proportional to 97,939.68, 135,175.52 and 55,500 is: 76,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,939.68 : 135,175.52 = 55,500 : x
  2. Step 2: Convert to fraction form
    97,939.68/135,175.52 = 55,500/x
  3. Step 3: Cross multiply
    97,939.68x = 135,175.52 × 55,500
  4. Step 4: Simplify right side
    97,939.68x = 7,502,241,360.00
  5. Step 5: Solve for x
    x = 7,502,241,360.00/97,939.68
  6. Step 6: Final answer
    x = 76,600.63

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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.