Home / 181,515.92-250,232.32-121,064.50

Finding the Fourth Proportional to 181,515.92, 250,232.32 and 121,064.50

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Solution

The fourth proportional to 181,515.92, 250,232.32 and 121,064.50 is: 166,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,515.92 : 250,232.32 = 121,064.50 : x
  2. Step 2: Convert to fraction form
    181,515.92/250,232.32 = 121,064.50/x
  3. Step 3: Cross multiply
    181,515.92x = 250,232.32 × 121,064.50
  4. Step 4: Simplify right side
    181,515.92x = 30,294,250,704.64
  5. Step 5: Solve for x
    x = 30,294,250,704.64/181,515.92
  6. Step 6: Final answer
    x = 166,895.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.