Home / 222,368.10-306,864.25-120,392.73

Finding the Fourth Proportional to 222,368.10, 306,864.25 and 120,392.73

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Solution

The fourth proportional to 222,368.10, 306,864.25 and 120,392.73 is: 166,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,368.10 : 306,864.25 = 120,392.73 : x
  2. Step 2: Convert to fraction form
    222,368.10/306,864.25 = 120,392.73/x
  3. Step 3: Cross multiply
    222,368.10x = 306,864.25 × 120,392.73
  4. Step 4: Simplify right side
    222,368.10x = 36,944,224,834.53
  5. Step 5: Solve for x
    x = 36,944,224,834.53/222,368.10
  6. Step 6: Final answer
    x = 166,139.95

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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.