Home / 187,632.36-258,908.94-149,488.65

Finding the Fourth Proportional to 187,632.36, 258,908.94 and 149,488.65

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Solution

The fourth proportional to 187,632.36, 258,908.94 and 149,488.65 is: 206,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,632.36 : 258,908.94 = 149,488.65 : x
  2. Step 2: Convert to fraction form
    187,632.36/258,908.94 = 149,488.65/x
  3. Step 3: Cross multiply
    187,632.36x = 258,908.94 × 149,488.65
  4. Step 4: Simplify right side
    187,632.36x = 38,703,947,913.53
  5. Step 5: Solve for x
    x = 38,703,947,913.53/187,632.36
  6. Step 6: Final answer
    x = 206,275.44

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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.