Home / 140,869.49-194,399.51-76,340.52

Finding the Fourth Proportional to 140,869.49, 194,399.51 and 76,340.52

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Solution

The fourth proportional to 140,869.49, 194,399.51 and 76,340.52 is: 105,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,869.49 : 194,399.51 = 76,340.52 : x
  2. Step 2: Convert to fraction form
    140,869.49/194,399.51 = 76,340.52/x
  3. Step 3: Cross multiply
    140,869.49x = 194,399.51 × 76,340.52
  4. Step 4: Simplify right side
    140,869.49x = 14,840,559,299.44
  5. Step 5: Solve for x
    x = 14,840,559,299.44/140,869.49
  6. Step 6: Final answer
    x = 105,349.71

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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.