Home / 187,837.28-281,866.49-69,591.05

Finding the Fourth Proportional to 187,837.28, 281,866.49 and 69,591.05

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Solution

The fourth proportional to 187,837.28, 281,866.49 and 69,591.05 is: 104,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,837.28 : 281,866.49 = 69,591.05 : x
  2. Step 2: Convert to fraction form
    187,837.28/281,866.49 = 69,591.05/x
  3. Step 3: Cross multiply
    187,837.28x = 281,866.49 × 69,591.05
  4. Step 4: Simplify right side
    187,837.28x = 19,615,384,998.91
  5. Step 5: Solve for x
    x = 19,615,384,998.91/187,837.28
  6. Step 6: Final answer
    x = 104,427.54

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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.