Home / 140,868.24-194,397.79-76,339.27

Finding the Fourth Proportional to 140,868.24, 194,397.79 and 76,339.27

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Solution

The fourth proportional to 140,868.24, 194,397.79 and 76,339.27 is: 105,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,868.24 : 194,397.79 = 76,339.27 : x
  2. Step 2: Convert to fraction form
    140,868.24/194,397.79 = 76,339.27/x
  3. Step 3: Cross multiply
    140,868.24x = 194,397.79 × 76,339.27
  4. Step 4: Simplify right side
    140,868.24x = 14,840,185,378.21
  5. Step 5: Solve for x
    x = 14,840,185,378.21/140,868.24
  6. Step 6: Final answer
    x = 105,347.99

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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.