Home / 126,266.20-189,053.70-98,618.20

Finding the Fourth Proportional to 126,266.20, 189,053.70 and 98,618.20

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Solution

The fourth proportional to 126,266.20, 189,053.70 and 98,618.20 is: 147,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,266.20 : 189,053.70 = 98,618.20 : x
  2. Step 2: Convert to fraction form
    126,266.20/189,053.70 = 98,618.20/x
  3. Step 3: Cross multiply
    126,266.20x = 189,053.70 × 98,618.20
  4. Step 4: Simplify right side
    126,266.20x = 18,644,135,597.34
  5. Step 5: Solve for x
    x = 18,644,135,597.34/126,266.20
  6. Step 6: Final answer
    x = 147,657.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.