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Finding the Fourth Proportional to 185,470.52, 255,947.97 and 103,798.82

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Solution

The fourth proportional to 185,470.52, 255,947.97 and 103,798.82 is: 143,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,470.52 : 255,947.97 = 103,798.82 : x
  2. Step 2: Convert to fraction form
    185,470.52/255,947.97 = 103,798.82/x
  3. Step 3: Cross multiply
    185,470.52x = 255,947.97 × 103,798.82
  4. Step 4: Simplify right side
    185,470.52x = 26,567,097,267.40
  5. Step 5: Solve for x
    x = 26,567,097,267.40/185,470.52
  6. Step 6: Final answer
    x = 143,241.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.