Home / 187,876.29-281,851.38-69,548.66

Finding the Fourth Proportional to 187,876.29, 281,851.38 and 69,548.66

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Solution

The fourth proportional to 187,876.29, 281,851.38 and 69,548.66 is: 104,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,876.29 : 281,851.38 = 69,548.66 : x
  2. Step 2: Convert to fraction form
    187,876.29/281,851.38 = 69,548.66/x
  3. Step 3: Cross multiply
    187,876.29x = 281,851.38 × 69,548.66
  4. Step 4: Simplify right side
    187,876.29x = 19,602,384,388.89
  5. Step 5: Solve for x
    x = 19,602,384,388.89/187,876.29
  6. Step 6: Final answer
    x = 104,336.66

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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.