Home / 78,244.20-117,366.30-22,840.20

Finding the Fourth Proportional to 78,244.20, 117,366.30 and 22,840.20

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Solution

The fourth proportional to 78,244.20, 117,366.30 and 22,840.20 is: 34,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,244.20 : 117,366.30 = 22,840.20 : x
  2. Step 2: Convert to fraction form
    78,244.20/117,366.30 = 22,840.20/x
  3. Step 3: Cross multiply
    78,244.20x = 117,366.30 × 22,840.20
  4. Step 4: Simplify right side
    78,244.20x = 2,680,669,765.26
  5. Step 5: Solve for x
    x = 2,680,669,765.26/78,244.20
  6. Step 6: Final answer
    x = 34,260.30

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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.