Home / 222,330.88-306,847.20-136,341.28

Finding the Fourth Proportional to 222,330.88, 306,847.20 and 136,341.28

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Solution

The fourth proportional to 222,330.88, 306,847.20 and 136,341.28 is: 188,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,330.88 : 306,847.20 = 136,341.28 : x
  2. Step 2: Convert to fraction form
    222,330.88/306,847.20 = 136,341.28/x
  3. Step 3: Cross multiply
    222,330.88x = 306,847.20 × 136,341.28
  4. Step 4: Simplify right side
    222,330.88x = 41,835,940,012.42
  5. Step 5: Solve for x
    x = 41,835,940,012.42/222,330.88
  6. Step 6: Final answer
    x = 188,169.72

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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.