Home / 187,666.75-258,981.94-112,215.25

Finding the Fourth Proportional to 187,666.75, 258,981.94 and 112,215.25

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Solution

The fourth proportional to 187,666.75, 258,981.94 and 112,215.25 is: 154,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,666.75 : 258,981.94 = 112,215.25 : x
  2. Step 2: Convert to fraction form
    187,666.75/258,981.94 = 112,215.25/x
  3. Step 3: Cross multiply
    187,666.75x = 258,981.94 × 112,215.25
  4. Step 4: Simplify right side
    187,666.75x = 29,061,723,142.59
  5. Step 5: Solve for x
    x = 29,061,723,142.59/187,666.75
  6. Step 6: Final answer
    x = 154,858.14

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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.