Home / 189,669.33-284,546.37-71,341.71

Finding the Fourth Proportional to 189,669.33, 284,546.37 and 71,341.71

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Solution

The fourth proportional to 189,669.33, 284,546.37 and 71,341.71 is: 107,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,669.33 : 284,546.37 = 71,341.71 : x
  2. Step 2: Convert to fraction form
    189,669.33/284,546.37 = 71,341.71/x
  3. Step 3: Cross multiply
    189,669.33x = 284,546.37 × 71,341.71
  4. Step 4: Simplify right side
    189,669.33x = 20,300,024,610.09
  5. Step 5: Solve for x
    x = 20,300,024,610.09/189,669.33
  6. Step 6: Final answer
    x = 107,028.50

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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.