Home / 205,174.16-307,805.88-64,934

Finding the Fourth Proportional to 205,174.16, 307,805.88 and 64,934

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Solution

The fourth proportional to 205,174.16, 307,805.88 and 64,934 is: 97,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,174.16 : 307,805.88 = 64,934 : x
  2. Step 2: Convert to fraction form
    205,174.16/307,805.88 = 64,934/x
  3. Step 3: Cross multiply
    205,174.16x = 307,805.88 × 64,934
  4. Step 4: Simplify right side
    205,174.16x = 19,987,067,011.92
  5. Step 5: Solve for x
    x = 19,987,067,011.92/205,174.16
  6. Step 6: Final answer
    x = 97,415.13

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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.