Home / 187,789.03-281,486.71-69,384.85

Finding the Fourth Proportional to 187,789.03, 281,486.71 and 69,384.85

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Solution

The fourth proportional to 187,789.03, 281,486.71 and 69,384.85 is: 104,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,789.03 : 281,486.71 = 69,384.85 : x
  2. Step 2: Convert to fraction form
    187,789.03/281,486.71 = 69,384.85/x
  3. Step 3: Cross multiply
    187,789.03x = 281,486.71 × 69,384.85
  4. Step 4: Simplify right side
    187,789.03x = 19,530,913,150.34
  5. Step 5: Solve for x
    x = 19,530,913,150.34/187,789.03
  6. Step 6: Final answer
    x = 104,004.55

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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.