Home / 215,695.91-323,544.68-65,935.62

Finding the Fourth Proportional to 215,695.91, 323,544.68 and 65,935.62

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Solution

The fourth proportional to 215,695.91, 323,544.68 and 65,935.62 is: 98,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,695.91 : 323,544.68 = 65,935.62 : x
  2. Step 2: Convert to fraction form
    215,695.91/323,544.68 = 65,935.62/x
  3. Step 3: Cross multiply
    215,695.91x = 323,544.68 × 65,935.62
  4. Step 4: Simplify right side
    215,695.91x = 21,333,118,743.82
  5. Step 5: Solve for x
    x = 21,333,118,743.82/215,695.91
  6. Step 6: Final answer
    x = 98,903.68

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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.