Home / 222,337.10-306,825.12-120,362.48

Finding the Fourth Proportional to 222,337.10, 306,825.12 and 120,362.48

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Solution

The fourth proportional to 222,337.10, 306,825.12 and 120,362.48 is: 166,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,337.10 : 306,825.12 = 120,362.48 : x
  2. Step 2: Convert to fraction form
    222,337.10/306,825.12 = 120,362.48/x
  3. Step 3: Cross multiply
    222,337.10x = 306,825.12 × 120,362.48
  4. Step 4: Simplify right side
    222,337.10x = 36,930,232,369.50
  5. Step 5: Solve for x
    x = 36,930,232,369.50/222,337.10
  6. Step 6: Final answer
    x = 166,100.18

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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.