Home / 222,302.36-306,806.46-126,787.16

Finding the Fourth Proportional to 222,302.36, 306,806.46 and 126,787.16

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Solution

The fourth proportional to 222,302.36, 306,806.46 and 126,787.16 is: 174,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,302.36 : 306,806.46 = 126,787.16 : x
  2. Step 2: Convert to fraction form
    222,302.36/306,806.46 = 126,787.16/x
  3. Step 3: Cross multiply
    222,302.36x = 306,806.46 × 126,787.16
  4. Step 4: Simplify right side
    222,302.36x = 38,899,119,733.05
  5. Step 5: Solve for x
    x = 38,899,119,733.05/222,302.36
  6. Step 6: Final answer
    x = 174,982.94

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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.