Home / 187,863.74-281,795.40-45,708.14

Finding the Fourth Proportional to 187,863.74, 281,795.40 and 45,708.14

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Solution

The fourth proportional to 187,863.74, 281,795.40 and 45,708.14 is: 68,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,863.74 : 281,795.40 = 45,708.14 : x
  2. Step 2: Convert to fraction form
    187,863.74/281,795.40 = 45,708.14/x
  3. Step 3: Cross multiply
    187,863.74x = 281,795.40 × 45,708.14
  4. Step 4: Simplify right side
    187,863.74x = 12,880,343,594.56
  5. Step 5: Solve for x
    x = 12,880,343,594.56/187,863.74
  6. Step 6: Final answer
    x = 68,562.16

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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.