Home / 187,974.61-281,303.01-134,725.21

Finding the Fourth Proportional to 187,974.61, 281,303.01 and 134,725.21

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Solution

The fourth proportional to 187,974.61, 281,303.01 and 134,725.21 is: 201,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,974.61 : 281,303.01 = 134,725.21 : x
  2. Step 2: Convert to fraction form
    187,974.61/281,303.01 = 134,725.21/x
  3. Step 3: Cross multiply
    187,974.61x = 281,303.01 × 134,725.21
  4. Step 4: Simplify right side
    187,974.61x = 37,898,606,392.62
  5. Step 5: Solve for x
    x = 37,898,606,392.62/187,974.61
  6. Step 6: Final answer
    x = 201,615.56

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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.