Home / 78,236.94-117,362.32-22,077.54

Finding the Fourth Proportional to 78,236.94, 117,362.32 and 22,077.54

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Solution

The fourth proportional to 78,236.94, 117,362.32 and 22,077.54 is: 33,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,236.94 : 117,362.32 = 22,077.54 : x
  2. Step 2: Convert to fraction form
    78,236.94/117,362.32 = 22,077.54/x
  3. Step 3: Cross multiply
    78,236.94x = 117,362.32 × 22,077.54
  4. Step 4: Simplify right side
    78,236.94x = 2,591,071,314.29
  5. Step 5: Solve for x
    x = 2,591,071,314.29/78,236.94
  6. Step 6: Final answer
    x = 33,118.26

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1.5x scale

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.