Home / 155,519.60-233,279.40-76,787.60

Finding the Fourth Proportional to 155,519.60, 233,279.40 and 76,787.60

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Solution

The fourth proportional to 155,519.60, 233,279.40 and 76,787.60 is: 115,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,519.60 : 233,279.40 = 76,787.60 : x
  2. Step 2: Convert to fraction form
    155,519.60/233,279.40 = 76,787.60/x
  3. Step 3: Cross multiply
    155,519.60x = 233,279.40 × 76,787.60
  4. Step 4: Simplify right side
    155,519.60x = 17,912,965,255.44
  5. Step 5: Solve for x
    x = 17,912,965,255.44/155,519.60
  6. Step 6: Final answer
    x = 115,181.40

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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.