Home / 151,908.84-228,006.24-77,082.68

Finding the Fourth Proportional to 151,908.84, 228,006.24 and 77,082.68

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Solution

The fourth proportional to 151,908.84, 228,006.24 and 77,082.68 is: 115,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,908.84 : 228,006.24 = 77,082.68 : x
  2. Step 2: Convert to fraction form
    151,908.84/228,006.24 = 77,082.68/x
  3. Step 3: Cross multiply
    151,908.84x = 228,006.24 × 77,082.68
  4. Step 4: Simplify right side
    151,908.84x = 17,575,332,035.92
  5. Step 5: Solve for x
    x = 17,575,332,035.92/151,908.84
  6. Step 6: Final answer
    x = 115,696.57

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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.