Home / 231,476.14-347,241.99-81,685.50

Finding the Fourth Proportional to 231,476.14, 347,241.99 and 81,685.50

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Solution

The fourth proportional to 231,476.14, 347,241.99 and 81,685.50 is: 122,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,476.14 : 347,241.99 = 81,685.50 : x
  2. Step 2: Convert to fraction form
    231,476.14/347,241.99 = 81,685.50/x
  3. Step 3: Cross multiply
    231,476.14x = 347,241.99 × 81,685.50
  4. Step 4: Simplify right side
    231,476.14x = 28,364,635,574.15
  5. Step 5: Solve for x
    x = 28,364,635,574.15/231,476.14
  6. Step 6: Final answer
    x = 122,538.05

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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.