Home / 234,129.27-323,063.63-142,200.72

Finding the Fourth Proportional to 234,129.27, 323,063.63 and 142,200.72

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Solution

The fourth proportional to 234,129.27, 323,063.63 and 142,200.72 is: 196,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,129.27 : 323,063.63 = 142,200.72 : x
  2. Step 2: Convert to fraction form
    234,129.27/323,063.63 = 142,200.72/x
  3. Step 3: Cross multiply
    234,129.27x = 323,063.63 × 142,200.72
  4. Step 4: Simplify right side
    234,129.27x = 45,939,880,791.81
  5. Step 5: Solve for x
    x = 45,939,880,791.81/234,129.27
  6. Step 6: Final answer
    x = 196,215.88

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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.