Home / 98,218.94-135,535.75-57,923.46

Finding the Fourth Proportional to 98,218.94, 135,535.75 and 57,923.46

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Solution

The fourth proportional to 98,218.94, 135,535.75 and 57,923.46 is: 79,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,218.94 : 135,535.75 = 57,923.46 : x
  2. Step 2: Convert to fraction form
    98,218.94/135,535.75 = 57,923.46/x
  3. Step 3: Cross multiply
    98,218.94x = 135,535.75 × 57,923.46
  4. Step 4: Simplify right side
    98,218.94x = 7,850,699,593.70
  5. Step 5: Solve for x
    x = 7,850,699,593.70/98,218.94
  6. Step 6: Final answer
    x = 79,930.61

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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.