Home / 143,815.64-215,723.46-43,975.82

Finding the Fourth Proportional to 143,815.64, 215,723.46 and 43,975.82

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Solution

The fourth proportional to 143,815.64, 215,723.46 and 43,975.82 is: 65,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,815.64 : 215,723.46 = 43,975.82 : x
  2. Step 2: Convert to fraction form
    143,815.64/215,723.46 = 43,975.82/x
  3. Step 3: Cross multiply
    143,815.64x = 215,723.46 × 43,975.82
  4. Step 4: Simplify right side
    143,815.64x = 9,486,614,968.12
  5. Step 5: Solve for x
    x = 9,486,614,968.12/143,815.64
  6. Step 6: Final answer
    x = 65,963.72

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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.