Home / 78,782.46-118,179.08-22,618.26

Finding the Fourth Proportional to 78,782.46, 118,179.08 and 22,618.26

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Solution

The fourth proportional to 78,782.46, 118,179.08 and 22,618.26 is: 33,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,782.46 : 118,179.08 = 22,618.26 : x
  2. Step 2: Convert to fraction form
    78,782.46/118,179.08 = 22,618.26/x
  3. Step 3: Cross multiply
    78,782.46x = 118,179.08 × 22,618.26
  4. Step 4: Simplify right side
    78,782.46x = 2,673,005,158.00
  5. Step 5: Solve for x
    x = 2,673,005,158.00/78,782.46
  6. Step 6: Final answer
    x = 33,928.94

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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.