Home / 236,468.75-326,324.18-129,040.61

Finding the Fourth Proportional to 236,468.75, 326,324.18 and 129,040.61

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Solution

The fourth proportional to 236,468.75, 326,324.18 and 129,040.61 is: 178,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,468.75 : 326,324.18 = 129,040.61 : x
  2. Step 2: Convert to fraction form
    236,468.75/326,324.18 = 129,040.61/x
  3. Step 3: Cross multiply
    236,468.75x = 326,324.18 × 129,040.61
  4. Step 4: Simplify right side
    236,468.75x = 42,109,068,968.13
  5. Step 5: Solve for x
    x = 42,109,068,968.13/236,468.75
  6. Step 6: Final answer
    x = 178,074.57

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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.