Home / 222,265.35-306,725.60-120,291.02

Finding the Fourth Proportional to 222,265.35, 306,725.60 and 120,291.02

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Solution

The fourth proportional to 222,265.35, 306,725.60 and 120,291.02 is: 166,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,265.35 : 306,725.60 = 120,291.02 : x
  2. Step 2: Convert to fraction form
    222,265.35/306,725.60 = 120,291.02/x
  3. Step 3: Cross multiply
    222,265.35x = 306,725.60 × 120,291.02
  4. Step 4: Simplify right side
    222,265.35x = 36,896,333,149.03
  5. Step 5: Solve for x
    x = 36,896,333,149.03/222,265.35
  6. Step 6: Final answer
    x = 166,001.28

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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.