Home / 236,849.64-326,842.18-129,414.60

Finding the Fourth Proportional to 236,849.64, 326,842.18 and 129,414.60

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Solution

The fourth proportional to 236,849.64, 326,842.18 and 129,414.60 is: 178,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,849.64 : 326,842.18 = 129,414.60 : x
  2. Step 2: Convert to fraction form
    236,849.64/326,842.18 = 129,414.60/x
  3. Step 3: Cross multiply
    236,849.64x = 326,842.18 × 129,414.60
  4. Step 4: Simplify right side
    236,849.64x = 42,298,149,987.83
  5. Step 5: Solve for x
    x = 42,298,149,987.83/236,849.64
  6. Step 6: Final answer
    x = 178,586.51

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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.