Home / 148,049.10-222,073.65-90,968.40

Finding the Fourth Proportional to 148,049.10, 222,073.65 and 90,968.40

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Solution

The fourth proportional to 148,049.10, 222,073.65 and 90,968.40 is: 136,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,049.10 : 222,073.65 = 90,968.40 : x
  2. Step 2: Convert to fraction form
    148,049.10/222,073.65 = 90,968.40/x
  3. Step 3: Cross multiply
    148,049.10x = 222,073.65 × 90,968.40
  4. Step 4: Simplify right side
    148,049.10x = 20,201,684,622.66
  5. Step 5: Solve for x
    x = 20,201,684,622.66/148,049.10
  6. Step 6: Final answer
    x = 136,452.60

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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.