Home / 222,304.36-306,809.22-126,789.16

Finding the Fourth Proportional to 222,304.36, 306,809.22 and 126,789.16

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Solution

The fourth proportional to 222,304.36, 306,809.22 and 126,789.16 is: 174,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,304.36 : 306,809.22 = 126,789.16 : x
  2. Step 2: Convert to fraction form
    222,304.36/306,809.22 = 126,789.16/x
  3. Step 3: Cross multiply
    222,304.36x = 306,809.22 × 126,789.16
  4. Step 4: Simplify right side
    222,304.36x = 38,900,083,284.06
  5. Step 5: Solve for x
    x = 38,900,083,284.06/222,304.36
  6. Step 6: Final answer
    x = 174,985.70

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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.