Home / 77,476.16-116,198.92-21,301.77

Finding the Fourth Proportional to 77,476.16, 116,198.92 and 21,301.77

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Solution

The fourth proportional to 77,476.16, 116,198.92 and 21,301.77 is: 31,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,476.16 : 116,198.92 = 21,301.77 : x
  2. Step 2: Convert to fraction form
    77,476.16/116,198.92 = 21,301.77/x
  3. Step 3: Cross multiply
    77,476.16x = 116,198.92 × 21,301.77
  4. Step 4: Simplify right side
    77,476.16x = 2,475,242,614.83
  5. Step 5: Solve for x
    x = 2,475,242,614.83/77,476.16
  6. Step 6: Final answer
    x = 31,948.44

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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.