Home / 104,149.72-143,740.92-63,856.36

Finding the Fourth Proportional to 104,149.72, 143,740.92 and 63,856.36

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Solution

The fourth proportional to 104,149.72, 143,740.92 and 63,856.36 is: 88,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,149.72 : 143,740.92 = 63,856.36 : x
  2. Step 2: Convert to fraction form
    104,149.72/143,740.92 = 63,856.36/x
  3. Step 3: Cross multiply
    104,149.72x = 143,740.92 × 63,856.36
  4. Step 4: Simplify right side
    104,149.72x = 9,178,771,934.25
  5. Step 5: Solve for x
    x = 9,178,771,934.25/104,149.72
  6. Step 6: Final answer
    x = 88,130.55

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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.