Home / 252,098.07-347,890.87-137,377.72

Finding the Fourth Proportional to 252,098.07, 347,890.87 and 137,377.72

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Solution

The fourth proportional to 252,098.07, 347,890.87 and 137,377.72 is: 189,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,098.07 : 347,890.87 = 137,377.72 : x
  2. Step 2: Convert to fraction form
    252,098.07/347,890.87 = 137,377.72/x
  3. Step 3: Cross multiply
    252,098.07x = 347,890.87 × 137,377.72
  4. Step 4: Simplify right side
    252,098.07x = 47,792,454,529.42
  5. Step 5: Solve for x
    x = 47,792,454,529.42/252,098.07
  6. Step 6: Final answer
    x = 189,578.82

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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.