Home / 222,389.18-306,919.07-126,910.23

Finding the Fourth Proportional to 222,389.18, 306,919.07 and 126,910.23

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Solution

The fourth proportional to 222,389.18, 306,919.07 and 126,910.23 is: 175,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,389.18 : 306,919.07 = 126,910.23 : x
  2. Step 2: Convert to fraction form
    222,389.18/306,919.07 = 126,910.23/x
  3. Step 3: Cross multiply
    222,389.18x = 306,919.07 × 126,910.23
  4. Step 4: Simplify right side
    222,389.18x = 38,951,169,130.54
  5. Step 5: Solve for x
    x = 38,951,169,130.54/222,389.18
  6. Step 6: Final answer
    x = 175,148.67

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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.