Home / 222,203.12-306,640.10-125,427.34

Finding the Fourth Proportional to 222,203.12, 306,640.10 and 125,427.34

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Solution

The fourth proportional to 222,203.12, 306,640.10 and 125,427.34 is: 173,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,203.12 : 306,640.10 = 125,427.34 : x
  2. Step 2: Convert to fraction form
    222,203.12/306,640.10 = 125,427.34/x
  3. Step 3: Cross multiply
    222,203.12x = 306,640.10 × 125,427.34
  4. Step 4: Simplify right side
    222,203.12x = 38,461,052,659.61
  5. Step 5: Solve for x
    x = 38,461,052,659.61/222,203.12
  6. Step 6: Final answer
    x = 173,089.62

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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.