Home / 136,981.94-205,472.39-37,141.85

Finding the Fourth Proportional to 136,981.94, 205,472.39 and 37,141.85

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Solution

The fourth proportional to 136,981.94, 205,472.39 and 37,141.85 is: 55,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,981.94 : 205,472.39 = 37,141.85 : x
  2. Step 2: Convert to fraction form
    136,981.94/205,472.39 = 37,141.85/x
  3. Step 3: Cross multiply
    136,981.94x = 205,472.39 × 37,141.85
  4. Step 4: Simplify right side
    136,981.94x = 7,631,625,016.49
  5. Step 5: Solve for x
    x = 7,631,625,016.49/136,981.94
  6. Step 6: Final answer
    x = 55,712.64

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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.