Home / 187,668.48-281,504.64-47,427.20

Finding the Fourth Proportional to 187,668.48, 281,504.64 and 47,427.20

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Solution

The fourth proportional to 187,668.48, 281,504.64 and 47,427.20 is: 71,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,668.48 : 281,504.64 = 47,427.20 : x
  2. Step 2: Convert to fraction form
    187,668.48/281,504.64 = 47,427.20/x
  3. Step 3: Cross multiply
    187,668.48x = 281,504.64 × 47,427.20
  4. Step 4: Simplify right side
    187,668.48x = 13,350,976,862.21
  5. Step 5: Solve for x
    x = 13,350,976,862.21/187,668.48
  6. Step 6: Final answer
    x = 71,141.29

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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.