Home / 199,412.81-275,190.54-108,770.72

Finding the Fourth Proportional to 199,412.81, 275,190.54 and 108,770.72

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Solution

The fourth proportional to 199,412.81, 275,190.54 and 108,770.72 is: 150,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,412.81 : 275,190.54 = 108,770.72 : x
  2. Step 2: Convert to fraction form
    199,412.81/275,190.54 = 108,770.72/x
  3. Step 3: Cross multiply
    199,412.81x = 275,190.54 × 108,770.72
  4. Step 4: Simplify right side
    199,412.81x = 29,932,671,253.18
  5. Step 5: Solve for x
    x = 29,932,671,253.18/199,412.81
  6. Step 6: Final answer
    x = 150,104.06

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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.