Home / 199,435.20-275,226.72-114,569.28

Finding the Fourth Proportional to 199,435.20, 275,226.72 and 114,569.28

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Solution

The fourth proportional to 199,435.20, 275,226.72 and 114,569.28 is: 158,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,435.20 : 275,226.72 = 114,569.28 : x
  2. Step 2: Convert to fraction form
    199,435.20/275,226.72 = 114,569.28/x
  3. Step 3: Cross multiply
    199,435.20x = 275,226.72 × 114,569.28
  4. Step 4: Simplify right side
    199,435.20x = 31,532,527,147.16
  5. Step 5: Solve for x
    x = 31,532,527,147.16/199,435.20
  6. Step 6: Final answer
    x = 158,109.14

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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.