Home / 187,943.51-281,886.10-54,809.89

Finding the Fourth Proportional to 187,943.51, 281,886.10 and 54,809.89

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Solution

The fourth proportional to 187,943.51, 281,886.10 and 54,809.89 is: 82,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,943.51 : 281,886.10 = 54,809.89 : x
  2. Step 2: Convert to fraction form
    187,943.51/281,886.10 = 54,809.89/x
  3. Step 3: Cross multiply
    187,943.51x = 281,886.10 × 54,809.89
  4. Step 4: Simplify right side
    187,943.51x = 15,450,146,133.53
  5. Step 5: Solve for x
    x = 15,450,146,133.53/187,943.51
  6. Step 6: Final answer
    x = 82,206.33

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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.