Home / 143,317.20-214,976.32-43,478.24

Finding the Fourth Proportional to 143,317.20, 214,976.32 and 43,478.24

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Solution

The fourth proportional to 143,317.20, 214,976.32 and 43,478.24 is: 65,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,317.20 : 214,976.32 = 43,478.24 : x
  2. Step 2: Convert to fraction form
    143,317.20/214,976.32 = 43,478.24/x
  3. Step 3: Cross multiply
    143,317.20x = 214,976.32 × 43,478.24
  4. Step 4: Simplify right side
    143,317.20x = 9,346,792,035.28
  5. Step 5: Solve for x
    x = 9,346,792,035.28/143,317.20
  6. Step 6: Final answer
    x = 65,217.52

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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.