Home / 231,941.87-347,871.69-105,552.71

Finding the Fourth Proportional to 231,941.87, 347,871.69 and 105,552.71

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Solution

The fourth proportional to 231,941.87, 347,871.69 and 105,552.71 is: 158,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,941.87 : 347,871.69 = 105,552.71 : x
  2. Step 2: Convert to fraction form
    231,941.87/347,871.69 = 105,552.71/x
  3. Step 3: Cross multiply
    231,941.87x = 347,871.69 × 105,552.71
  4. Step 4: Simplify right side
    231,941.87x = 36,718,799,611.78
  5. Step 5: Solve for x
    x = 36,718,799,611.78/231,941.87
  6. Step 6: Final answer
    x = 158,310.35

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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.