Home / 231,939.84-347,770.08-126,612.48

Finding the Fourth Proportional to 231,939.84, 347,770.08 and 126,612.48

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Solution

The fourth proportional to 231,939.84, 347,770.08 and 126,612.48 is: 189,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,939.84 : 347,770.08 = 126,612.48 : x
  2. Step 2: Convert to fraction form
    231,939.84/347,770.08 = 126,612.48/x
  3. Step 3: Cross multiply
    231,939.84x = 347,770.08 × 126,612.48
  4. Step 4: Simplify right side
    231,939.84x = 44,032,032,298.60
  5. Step 5: Solve for x
    x = 44,032,032,298.60/231,939.84
  6. Step 6: Final answer
    x = 189,842.47

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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.