Home / 199,770.80-275,679.15-109,127.16

Finding the Fourth Proportional to 199,770.80, 275,679.15 and 109,127.16

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Solution

The fourth proportional to 199,770.80, 275,679.15 and 109,127.16 is: 150,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,770.80 : 275,679.15 = 109,127.16 : x
  2. Step 2: Convert to fraction form
    199,770.80/275,679.15 = 109,127.16/x
  3. Step 3: Cross multiply
    199,770.80x = 275,679.15 × 109,127.16
  4. Step 4: Simplify right side
    199,770.80x = 30,084,082,710.71
  5. Step 5: Solve for x
    x = 30,084,082,710.71/199,770.80
  6. Step 6: Final answer
    x = 150,592.99

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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.