Home / 198,149.48-297,246.78-71,849.22

Finding the Fourth Proportional to 198,149.48, 297,246.78 and 71,849.22

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Solution

The fourth proportional to 198,149.48, 297,246.78 and 71,849.22 is: 107,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,149.48 : 297,246.78 = 71,849.22 : x
  2. Step 2: Convert to fraction form
    198,149.48/297,246.78 = 71,849.22/x
  3. Step 3: Cross multiply
    198,149.48x = 297,246.78 × 71,849.22
  4. Step 4: Simplify right side
    198,149.48x = 21,356,949,290.51
  5. Step 5: Solve for x
    x = 21,356,949,290.51/198,149.48
  6. Step 6: Final answer
    x = 107,782.01

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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.