Home / 392,148.12-588,166.60-125,873.58

Finding the Fourth Proportional to 392,148.12, 588,166.60 and 125,873.58

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Solution

The fourth proportional to 392,148.12, 588,166.60 and 125,873.58 is: 188,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,148.12 : 588,166.60 = 125,873.58 : x
  2. Step 2: Convert to fraction form
    392,148.12/588,166.60 = 125,873.58/x
  3. Step 3: Cross multiply
    392,148.12x = 588,166.60 × 125,873.58
  4. Step 4: Simplify right side
    392,148.12x = 74,034,635,578.43
  5. Step 5: Solve for x
    x = 74,034,635,578.43/392,148.12
  6. Step 6: Final answer
    x = 188,792.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.