Home / 82,179.02-123,561.96-75,683.64

Finding the Fourth Proportional to 82,179.02, 123,561.96 and 75,683.64

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Solution

The fourth proportional to 82,179.02, 123,561.96 and 75,683.64 is: 113,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,179.02 : 123,561.96 = 75,683.64 : x
  2. Step 2: Convert to fraction form
    82,179.02/123,561.96 = 75,683.64/x
  3. Step 3: Cross multiply
    82,179.02x = 123,561.96 × 75,683.64
  4. Step 4: Simplify right side
    82,179.02x = 9,351,618,898.33
  5. Step 5: Solve for x
    x = 9,351,618,898.33/82,179.02
  6. Step 6: Final answer
    x = 113,795.70

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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.