Home / 247,943.89-342,162.53-134,766.64

Finding the Fourth Proportional to 247,943.89, 342,162.53 and 134,766.64

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Solution

The fourth proportional to 247,943.89, 342,162.53 and 134,766.64 is: 185,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,943.89 : 342,162.53 = 134,766.64 : x
  2. Step 2: Convert to fraction form
    247,943.89/342,162.53 = 134,766.64/x
  3. Step 3: Cross multiply
    247,943.89x = 342,162.53 × 134,766.64
  4. Step 4: Simplify right side
    247,943.89x = 46,112,092,836.58
  5. Step 5: Solve for x
    x = 46,112,092,836.58/247,943.89
  6. Step 6: Final answer
    x = 185,977.94

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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.