Home / 140,907.60-194,454.07-80,486.26

Finding the Fourth Proportional to 140,907.60, 194,454.07 and 80,486.26

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Solution

The fourth proportional to 140,907.60, 194,454.07 and 80,486.26 is: 111,071.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,907.60 : 194,454.07 = 80,486.26 : x
  2. Step 2: Convert to fraction form
    140,907.60/194,454.07 = 80,486.26/x
  3. Step 3: Cross multiply
    140,907.60x = 194,454.07 × 80,486.26
  4. Step 4: Simplify right side
    140,907.60x = 15,650,880,148.73
  5. Step 5: Solve for x
    x = 15,650,880,148.73/140,907.60
  6. Step 6: Final answer
    x = 111,071.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.