Home / 270,158.13-405,237.20-103,907.25

Finding the Fourth Proportional to 270,158.13, 405,237.20 and 103,907.25

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Solution

The fourth proportional to 270,158.13, 405,237.20 and 103,907.25 is: 155,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,158.13 : 405,237.20 = 103,907.25 : x
  2. Step 2: Convert to fraction form
    270,158.13/405,237.20 = 103,907.25/x
  3. Step 3: Cross multiply
    270,158.13x = 405,237.20 × 103,907.25
  4. Step 4: Simplify right side
    270,158.13x = 42,107,082,530.16
  5. Step 5: Solve for x
    x = 42,107,082,530.16/270,158.13
  6. Step 6: Final answer
    x = 155,860.88

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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.