Home / 199,430.73-275,216.17-108,787.10

Finding the Fourth Proportional to 199,430.73, 275,216.17 and 108,787.10

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Solution

The fourth proportional to 199,430.73, 275,216.17 and 108,787.10 is: 150,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,430.73 : 275,216.17 = 108,787.10 : x
  2. Step 2: Convert to fraction form
    199,430.73/275,216.17 = 108,787.10/x
  3. Step 3: Cross multiply
    199,430.73x = 275,216.17 × 108,787.10
  4. Step 4: Simplify right side
    199,430.73x = 29,939,967,775.43
  5. Step 5: Solve for x
    x = 29,939,967,775.43/199,430.73
  6. Step 6: Final answer
    x = 150,127.15

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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.