Home / 252,072.75-347,856.30-137,352.92

Finding the Fourth Proportional to 252,072.75, 347,856.30 and 137,352.92

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Solution

The fourth proportional to 252,072.75, 347,856.30 and 137,352.92 is: 189,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,072.75 : 347,856.30 = 137,352.92 : x
  2. Step 2: Convert to fraction form
    252,072.75/347,856.30 = 137,352.92/x
  3. Step 3: Cross multiply
    252,072.75x = 347,856.30 × 137,352.92
  4. Step 4: Simplify right side
    252,072.75x = 47,779,078,545.40
  5. Step 5: Solve for x
    x = 47,779,078,545.40/252,072.75
  6. Step 6: Final answer
    x = 189,544.80

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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.