Home / 107,171.87-160,757.85-39,727.10

Finding the Fourth Proportional to 107,171.87, 160,757.85 and 39,727.10

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Solution

The fourth proportional to 107,171.87, 160,757.85 and 39,727.10 is: 59,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,171.87 : 160,757.85 = 39,727.10 : x
  2. Step 2: Convert to fraction form
    107,171.87/160,757.85 = 39,727.10/x
  3. Step 3: Cross multiply
    107,171.87x = 160,757.85 × 39,727.10
  4. Step 4: Simplify right side
    107,171.87x = 6,386,442,180.31
  5. Step 5: Solve for x
    x = 6,386,442,180.31/107,171.87
  6. Step 6: Final answer
    x = 59,590.66

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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.