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Finding the Fourth Proportional to 148,049.60, 222,074.40 and 90,968.90

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Solution

The fourth proportional to 148,049.60, 222,074.40 and 90,968.90 is: 136,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,049.60 : 222,074.40 = 90,968.90 : x
  2. Step 2: Convert to fraction form
    148,049.60/222,074.40 = 90,968.90/x
  3. Step 3: Cross multiply
    148,049.60x = 222,074.40 × 90,968.90
  4. Step 4: Simplify right side
    148,049.60x = 20,201,863,886.16
  5. Step 5: Solve for x
    x = 20,201,863,886.16/148,049.60
  6. Step 6: Final answer
    x = 136,453.35

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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.