Home / 189,945.14-284,918.18-77,625.33

Finding the Fourth Proportional to 189,945.14, 284,918.18 and 77,625.33

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Solution

The fourth proportional to 189,945.14, 284,918.18 and 77,625.33 is: 116,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,945.14 : 284,918.18 = 77,625.33 : x
  2. Step 2: Convert to fraction form
    189,945.14/284,918.18 = 77,625.33/x
  3. Step 3: Cross multiply
    189,945.14x = 284,918.18 × 77,625.33
  4. Step 4: Simplify right side
    189,945.14x = 22,116,867,357.37
  5. Step 5: Solve for x
    x = 22,116,867,357.37/189,945.14
  6. Step 6: Final answer
    x = 116,438.19

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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.