Home / 215,983.26-323,973.52-73,759.91

Finding the Fourth Proportional to 215,983.26, 323,973.52 and 73,759.91

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Solution

The fourth proportional to 215,983.26, 323,973.52 and 73,759.91 is: 110,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,983.26 : 323,973.52 = 73,759.91 : x
  2. Step 2: Convert to fraction form
    215,983.26/323,973.52 = 73,759.91/x
  3. Step 3: Cross multiply
    215,983.26x = 323,973.52 × 73,759.91
  4. Step 4: Simplify right side
    215,983.26x = 23,896,257,308.78
  5. Step 5: Solve for x
    x = 23,896,257,308.78/215,983.26
  6. Step 6: Final answer
    x = 110,639.40

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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.