Home / 77,468.91-116,184.23-21,306.30

Finding the Fourth Proportional to 77,468.91, 116,184.23 and 21,306.30

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Solution

The fourth proportional to 77,468.91, 116,184.23 and 21,306.30 is: 31,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,468.91 : 116,184.23 = 21,306.30 : x
  2. Step 2: Convert to fraction form
    77,468.91/116,184.23 = 21,306.30/x
  3. Step 3: Cross multiply
    77,468.91x = 116,184.23 × 21,306.30
  4. Step 4: Simplify right side
    77,468.91x = 2,475,456,112.91
  5. Step 5: Solve for x
    x = 2,475,456,112.91/77,468.91
  6. Step 6: Final answer
    x = 31,954.19

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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.