Home / 222,429.18-306,953.77-120,454.72

Finding the Fourth Proportional to 222,429.18, 306,953.77 and 120,454.72

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Solution

The fourth proportional to 222,429.18, 306,953.77 and 120,454.72 is: 166,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,429.18 : 306,953.77 = 120,454.72 : x
  2. Step 2: Convert to fraction form
    222,429.18/306,953.77 = 120,454.72/x
  3. Step 3: Cross multiply
    222,429.18x = 306,953.77 × 120,454.72
  4. Step 4: Simplify right side
    222,429.18x = 36,974,029,930.76
  5. Step 5: Solve for x
    x = 36,974,029,930.76/222,429.18
  6. Step 6: Final answer
    x = 166,228.33

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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.