Home / 121,287.32-181,950.44-51,176.96

Finding the Fourth Proportional to 121,287.32, 181,950.44 and 51,176.96

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Solution

The fourth proportional to 121,287.32, 181,950.44 and 51,176.96 is: 76,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,287.32 : 181,950.44 = 51,176.96 : x
  2. Step 2: Convert to fraction form
    121,287.32/181,950.44 = 51,176.96/x
  3. Step 3: Cross multiply
    121,287.32x = 181,950.44 × 51,176.96
  4. Step 4: Simplify right side
    121,287.32x = 9,311,670,389.86
  5. Step 5: Solve for x
    x = 9,311,670,389.86/121,287.32
  6. Step 6: Final answer
    x = 76,773.65

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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.