Home / 95,431.66-143,140.20-36,280.60

Finding the Fourth Proportional to 95,431.66, 143,140.20 and 36,280.60

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Solution

The fourth proportional to 95,431.66, 143,140.20 and 36,280.60 is: 54,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,431.66 : 143,140.20 = 36,280.60 : x
  2. Step 2: Convert to fraction form
    95,431.66/143,140.20 = 36,280.60/x
  3. Step 3: Cross multiply
    95,431.66x = 143,140.20 × 36,280.60
  4. Step 4: Simplify right side
    95,431.66x = 5,193,212,340.12
  5. Step 5: Solve for x
    x = 5,193,212,340.12/95,431.66
  6. Step 6: Final answer
    x = 54,418.13

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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.