Home / 136,276.20-204,414.30-74,068.20

Finding the Fourth Proportional to 136,276.20, 204,414.30 and 74,068.20

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Solution

The fourth proportional to 136,276.20, 204,414.30 and 74,068.20 is: 111,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,276.20 : 204,414.30 = 74,068.20 : x
  2. Step 2: Convert to fraction form
    136,276.20/204,414.30 = 74,068.20/x
  3. Step 3: Cross multiply
    136,276.20x = 204,414.30 × 74,068.20
  4. Step 4: Simplify right side
    136,276.20x = 15,140,599,255.26
  5. Step 5: Solve for x
    x = 15,140,599,255.26/136,276.20
  6. Step 6: Final answer
    x = 111,102.30

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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.