Home / 187,742.39-281,613.58-45,586.71

Finding the Fourth Proportional to 187,742.39, 281,613.58 and 45,586.71

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Solution

The fourth proportional to 187,742.39, 281,613.58 and 45,586.71 is: 68,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,742.39 : 281,613.58 = 45,586.71 : x
  2. Step 2: Convert to fraction form
    187,742.39/281,613.58 = 45,586.71/x
  3. Step 3: Cross multiply
    187,742.39x = 281,613.58 × 45,586.71
  4. Step 4: Simplify right side
    187,742.39x = 12,837,835,195.45
  5. Step 5: Solve for x
    x = 12,837,835,195.45/187,742.39
  6. Step 6: Final answer
    x = 68,380.06

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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.