Home / 77,508.06-116,282.25-22,108.38

Finding the Fourth Proportional to 77,508.06, 116,282.25 and 22,108.38

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Solution

The fourth proportional to 77,508.06, 116,282.25 and 22,108.38 is: 33,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,508.06 : 116,282.25 = 22,108.38 : x
  2. Step 2: Convert to fraction form
    77,508.06/116,282.25 = 22,108.38/x
  3. Step 3: Cross multiply
    77,508.06x = 116,282.25 × 22,108.38
  4. Step 4: Simplify right side
    77,508.06x = 2,570,812,170.26
  5. Step 5: Solve for x
    x = 2,570,812,170.26/77,508.06
  6. Step 6: Final answer
    x = 33,168.32

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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.