Home / 104,211.78-143,814.93-63,947.79

Finding the Fourth Proportional to 104,211.78, 143,814.93 and 63,947.79

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Solution

The fourth proportional to 104,211.78, 143,814.93 and 63,947.79 is: 88,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,211.78 : 143,814.93 = 63,947.79 : x
  2. Step 2: Convert to fraction form
    104,211.78/143,814.93 = 63,947.79/x
  3. Step 3: Cross multiply
    104,211.78x = 143,814.93 × 63,947.79
  4. Step 4: Simplify right side
    104,211.78x = 9,196,646,702.70
  5. Step 5: Solve for x
    x = 9,196,646,702.70/104,211.78
  6. Step 6: Final answer
    x = 88,249.59

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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.