Home / 318,119.38-477,166.61-107,757.32

Finding the Fourth Proportional to 318,119.38, 477,166.61 and 107,757.32

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Solution

The fourth proportional to 318,119.38, 477,166.61 and 107,757.32 is: 161,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,119.38 : 477,166.61 = 107,757.32 : x
  2. Step 2: Convert to fraction form
    318,119.38/477,166.61 = 107,757.32/x
  3. Step 3: Cross multiply
    318,119.38x = 477,166.61 × 107,757.32
  4. Step 4: Simplify right side
    318,119.38x = 51,418,192,970.65
  5. Step 5: Solve for x
    x = 51,418,192,970.65/318,119.38
  6. Step 6: Final answer
    x = 161,631.75

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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.