Home / 231,568.21-347,116.56-105,298.12

Finding the Fourth Proportional to 231,568.21, 347,116.56 and 105,298.12

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Solution

The fourth proportional to 231,568.21, 347,116.56 and 105,298.12 is: 157,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,568.21 : 347,116.56 = 105,298.12 : x
  2. Step 2: Convert to fraction form
    231,568.21/347,116.56 = 105,298.12/x
  3. Step 3: Cross multiply
    231,568.21x = 347,116.56 × 105,298.12
  4. Step 4: Simplify right side
    231,568.21x = 36,550,721,188.87
  5. Step 5: Solve for x
    x = 36,550,721,188.87/231,568.21
  6. Step 6: Final answer
    x = 157,839.98

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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.