Home / 236,900.28-326,912.54-129,474.02

Finding the Fourth Proportional to 236,900.28, 326,912.54 and 129,474.02

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Solution

The fourth proportional to 236,900.28, 326,912.54 and 129,474.02 is: 178,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,900.28 : 326,912.54 = 129,474.02 : x
  2. Step 2: Convert to fraction form
    236,900.28/326,912.54 = 129,474.02/x
  3. Step 3: Cross multiply
    236,900.28x = 326,912.54 × 129,474.02
  4. Step 4: Simplify right side
    236,900.28x = 42,326,680,742.21
  5. Step 5: Solve for x
    x = 42,326,680,742.21/236,900.28
  6. Step 6: Final answer
    x = 178,668.77

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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.