Home / 181,669.69-250,693.43-105,183.31

Finding the Fourth Proportional to 181,669.69, 250,693.43 and 105,183.31

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Solution

The fourth proportional to 181,669.69, 250,693.43 and 105,183.31 is: 145,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,669.69 : 250,693.43 = 105,183.31 : x
  2. Step 2: Convert to fraction form
    181,669.69/250,693.43 = 105,183.31/x
  3. Step 3: Cross multiply
    181,669.69x = 250,693.43 × 105,183.31
  4. Step 4: Simplify right side
    181,669.69x = 26,368,764,671.71
  5. Step 5: Solve for x
    x = 26,368,764,671.71/181,669.69
  6. Step 6: Final answer
    x = 145,146.75

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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.