Home / 222,228.69-306,676.41-120,254.15

Finding the Fourth Proportional to 222,228.69, 306,676.41 and 120,254.15

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Solution

The fourth proportional to 222,228.69, 306,676.41 and 120,254.15 is: 165,951.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,228.69 : 306,676.41 = 120,254.15 : x
  2. Step 2: Convert to fraction form
    222,228.69/306,676.41 = 120,254.15/x
  3. Step 3: Cross multiply
    222,228.69x = 306,676.41 × 120,254.15
  4. Step 4: Simplify right side
    222,228.69x = 36,879,111,009.60
  5. Step 5: Solve for x
    x = 36,879,111,009.60/222,228.69
  6. Step 6: Final answer
    x = 165,951.17

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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.