Home / 247,851.58-342,033.99-140,421.38

Finding the Fourth Proportional to 247,851.58, 342,033.99 and 140,421.38

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Solution

The fourth proportional to 247,851.58, 342,033.99 and 140,421.38 is: 193,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,851.58 : 342,033.99 = 140,421.38 : x
  2. Step 2: Convert to fraction form
    247,851.58/342,033.99 = 140,421.38/x
  3. Step 3: Cross multiply
    247,851.58x = 342,033.99 × 140,421.38
  4. Step 4: Simplify right side
    247,851.58x = 48,028,883,928.58
  5. Step 5: Solve for x
    x = 48,028,883,928.58/247,851.58
  6. Step 6: Final answer
    x = 193,780.83

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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.