Home / 143,795.64-215,694-43,955.46

Finding the Fourth Proportional to 143,795.64, 215,694 and 43,955.46

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Solution

The fourth proportional to 143,795.64, 215,694 and 43,955.46 is: 65,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,795.64 : 215,694 = 43,955.46 : x
  2. Step 2: Convert to fraction form
    143,795.64/215,694 = 43,955.46/x
  3. Step 3: Cross multiply
    143,795.64x = 215,694 × 43,955.46
  4. Step 4: Simplify right side
    143,795.64x = 9,480,928,989.24
  5. Step 5: Solve for x
    x = 9,480,928,989.24/143,795.64
  6. Step 6: Final answer
    x = 65,933.36

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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.