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Finding the Fourth Proportional to 95,975.60, 143,974.20 and 29,415.20

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Solution

The fourth proportional to 95,975.60, 143,974.20 and 29,415.20 is: 44,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,975.60 : 143,974.20 = 29,415.20 : x
  2. Step 2: Convert to fraction form
    95,975.60/143,974.20 = 29,415.20/x
  3. Step 3: Cross multiply
    95,975.60x = 143,974.20 × 29,415.20
  4. Step 4: Simplify right side
    95,975.60x = 4,235,029,887.84
  5. Step 5: Solve for x
    x = 4,235,029,887.84/95,975.60
  6. Step 6: Final answer
    x = 44,126.11

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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.