Home / 222,404.29-306,920.47-120,432.07

Finding the Fourth Proportional to 222,404.29, 306,920.47 and 120,432.07

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Solution

The fourth proportional to 222,404.29, 306,920.47 and 120,432.07 is: 166,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,404.29 : 306,920.47 = 120,432.07 : x
  2. Step 2: Convert to fraction form
    222,404.29/306,920.47 = 120,432.07/x
  3. Step 3: Cross multiply
    222,404.29x = 306,920.47 × 120,432.07
  4. Step 4: Simplify right side
    222,404.29x = 36,963,067,527.47
  5. Step 5: Solve for x
    x = 36,963,067,527.47/222,404.29
  6. Step 6: Final answer
    x = 166,197.64

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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.