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Finding the Fourth Proportional to 95,305.69, 142,778.08 and 63,620.20

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Solution

The fourth proportional to 95,305.69, 142,778.08 and 63,620.20 is: 95,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,305.69 : 142,778.08 = 63,620.20 : x
  2. Step 2: Convert to fraction form
    95,305.69/142,778.08 = 63,620.20/x
  3. Step 3: Cross multiply
    95,305.69x = 142,778.08 × 63,620.20
  4. Step 4: Simplify right side
    95,305.69x = 9,083,570,005.22
  5. Step 5: Solve for x
    x = 9,083,570,005.22/95,305.69
  6. Step 6: Final answer
    x = 95,309.84

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1.5x scale

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.