Home / 222,355.03-306,847.74-120,377.80

Finding the Fourth Proportional to 222,355.03, 306,847.74 and 120,377.80

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Solution

The fourth proportional to 222,355.03, 306,847.74 and 120,377.80 is: 166,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,355.03 : 306,847.74 = 120,377.80 : x
  2. Step 2: Convert to fraction form
    222,355.03/306,847.74 = 120,377.80/x
  3. Step 3: Cross multiply
    222,355.03x = 306,847.74 × 120,377.80
  4. Step 4: Simplify right side
    222,355.03x = 36,937,655,876.17
  5. Step 5: Solve for x
    x = 36,937,655,876.17/222,355.03
  6. Step 6: Final answer
    x = 166,120.17

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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.