Home / 82,259.87-123,438.96-75,567.65

Finding the Fourth Proportional to 82,259.87, 123,438.96 and 75,567.65

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Solution

The fourth proportional to 82,259.87, 123,438.96 and 75,567.65 is: 113,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,259.87 : 123,438.96 = 75,567.65 : x
  2. Step 2: Convert to fraction form
    82,259.87/123,438.96 = 75,567.65/x
  3. Step 3: Cross multiply
    82,259.87x = 123,438.96 × 75,567.65
  4. Step 4: Simplify right side
    82,259.87x = 9,327,992,125.64
  5. Step 5: Solve for x
    x = 9,327,992,125.64/82,259.87
  6. Step 6: Final answer
    x = 113,396.63

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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.