Home / 81,925.26-122,865-22,746.84

Finding the Fourth Proportional to 81,925.26, 122,865 and 22,746.84

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Solution

The fourth proportional to 81,925.26, 122,865 and 22,746.84 is: 34,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,925.26 : 122,865 = 22,746.84 : x
  2. Step 2: Convert to fraction form
    81,925.26/122,865 = 22,746.84/x
  3. Step 3: Cross multiply
    81,925.26x = 122,865 × 22,746.84
  4. Step 4: Simplify right side
    81,925.26x = 2,794,790,496.60
  5. Step 5: Solve for x
    x = 2,794,790,496.60/81,925.26
  6. Step 6: Final answer
    x = 34,113.90

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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.