Home / 78,207.44-117,303-22,046.12

Finding the Fourth Proportional to 78,207.44, 117,303 and 22,046.12

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Solution

The fourth proportional to 78,207.44, 117,303 and 22,046.12 is: 33,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,207.44 : 117,303 = 22,046.12 : x
  2. Step 2: Convert to fraction form
    78,207.44/117,303 = 22,046.12/x
  3. Step 3: Cross multiply
    78,207.44x = 117,303 × 22,046.12
  4. Step 4: Simplify right side
    78,207.44x = 2,586,076,014.36
  5. Step 5: Solve for x
    x = 2,586,076,014.36/78,207.44
  6. Step 6: Final answer
    x = 33,066.88

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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.