Home / 121,962-182,942.46-43,057.20

Finding the Fourth Proportional to 121,962, 182,942.46 and 43,057.20

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Solution

The fourth proportional to 121,962, 182,942.46 and 43,057.20 is: 64,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,962 : 182,942.46 = 43,057.20 : x
  2. Step 2: Convert to fraction form
    121,962/182,942.46 = 43,057.20/x
  3. Step 3: Cross multiply
    121,962x = 182,942.46 × 43,057.20
  4. Step 4: Simplify right side
    121,962x = 7,876,990,088.71
  5. Step 5: Solve for x
    x = 7,876,990,088.71/121,962
  6. Step 6: Final answer
    x = 64,585.61

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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.