Home / 78,233.79-117,338.28-24,918.85

Finding the Fourth Proportional to 78,233.79, 117,338.28 and 24,918.85

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Solution

The fourth proportional to 78,233.79, 117,338.28 and 24,918.85 is: 37,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,233.79 : 117,338.28 = 24,918.85 : x
  2. Step 2: Convert to fraction form
    78,233.79/117,338.28 = 24,918.85/x
  3. Step 3: Cross multiply
    78,233.79x = 117,338.28 × 24,918.85
  4. Step 4: Simplify right side
    78,233.79x = 2,923,934,998.58
  5. Step 5: Solve for x
    x = 2,923,934,998.58/78,233.79
  6. Step 6: Final answer
    x = 37,374.32

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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.