Home / 318,126.12-476,839.24-131,035.56

Finding the Fourth Proportional to 318,126.12, 476,839.24 and 131,035.56

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Solution

The fourth proportional to 318,126.12, 476,839.24 and 131,035.56 is: 196,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,126.12 : 476,839.24 = 131,035.56 : x
  2. Step 2: Convert to fraction form
    318,126.12/476,839.24 = 131,035.56/x
  3. Step 3: Cross multiply
    318,126.12x = 476,839.24 × 131,035.56
  4. Step 4: Simplify right side
    318,126.12x = 62,482,896,843.37
  5. Step 5: Solve for x
    x = 62,482,896,843.37/318,126.12
  6. Step 6: Final answer
    x = 196,409.20

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1.5x scale

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.