Home / 222,118.29-306,429.30-136,110.87

Finding the Fourth Proportional to 222,118.29, 306,429.30 and 136,110.87

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Solution

The fourth proportional to 222,118.29, 306,429.30 and 136,110.87 is: 187,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,118.29 : 306,429.30 = 136,110.87 : x
  2. Step 2: Convert to fraction form
    222,118.29/306,429.30 = 136,110.87/x
  3. Step 3: Cross multiply
    222,118.29x = 306,429.30 × 136,110.87
  4. Step 4: Simplify right side
    222,118.29x = 41,708,358,616.49
  5. Step 5: Solve for x
    x = 41,708,358,616.49/222,118.29
  6. Step 6: Final answer
    x = 187,775.44

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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.