Home / 143,824.42-215,746.62-43,976.94

Finding the Fourth Proportional to 143,824.42, 215,746.62 and 43,976.94

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Solution

The fourth proportional to 143,824.42, 215,746.62 and 43,976.94 is: 65,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,824.42 : 215,746.62 = 43,976.94 : x
  2. Step 2: Convert to fraction form
    143,824.42/215,746.62 = 43,976.94/x
  3. Step 3: Cross multiply
    143,824.42x = 215,746.62 × 43,976.94
  4. Step 4: Simplify right side
    143,824.42x = 9,487,876,162.94
  5. Step 5: Solve for x
    x = 9,487,876,162.94/143,824.42
  6. Step 6: Final answer
    x = 65,968.46

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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.