Home / 222,400.06-306,934.05-126,921.11

Finding the Fourth Proportional to 222,400.06, 306,934.05 and 126,921.11

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Solution

The fourth proportional to 222,400.06, 306,934.05 and 126,921.11 is: 175,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,400.06 : 306,934.05 = 126,921.11 : x
  2. Step 2: Convert to fraction form
    222,400.06/306,934.05 = 126,921.11/x
  3. Step 3: Cross multiply
    222,400.06x = 306,934.05 × 126,921.11
  4. Step 4: Simplify right side
    222,400.06x = 38,956,409,264.08
  5. Step 5: Solve for x
    x = 38,956,409,264.08/222,400.06
  6. Step 6: Final answer
    x = 175,163.67

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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.