Home / 140,758.29-194,238.81-80,334.59

Finding the Fourth Proportional to 140,758.29, 194,238.81 and 80,334.59

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Solution

The fourth proportional to 140,758.29, 194,238.81 and 80,334.59 is: 110,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,758.29 : 194,238.81 = 80,334.59 : x
  2. Step 2: Convert to fraction form
    140,758.29/194,238.81 = 80,334.59/x
  3. Step 3: Cross multiply
    140,758.29x = 194,238.81 × 80,334.59
  4. Step 4: Simplify right side
    140,758.29x = 15,604,094,192.24
  5. Step 5: Solve for x
    x = 15,604,094,192.24/140,758.29
  6. Step 6: Final answer
    x = 110,857.37

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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.