Home / 222,021.67-306,389.24-120,046.40

Finding the Fourth Proportional to 222,021.67, 306,389.24 and 120,046.40

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Solution

The fourth proportional to 222,021.67, 306,389.24 and 120,046.40 is: 165,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,021.67 : 306,389.24 = 120,046.40 : x
  2. Step 2: Convert to fraction form
    222,021.67/306,389.24 = 120,046.40/x
  3. Step 3: Cross multiply
    222,021.67x = 306,389.24 × 120,046.40
  4. Step 4: Simplify right side
    222,021.67x = 36,780,925,260.74
  5. Step 5: Solve for x
    x = 36,780,925,260.74/222,021.67
  6. Step 6: Final answer
    x = 165,663.68

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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.