Home / 140,676.04-194,132.94-77,013.84

Finding the Fourth Proportional to 140,676.04, 194,132.94 and 77,013.84

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Solution

The fourth proportional to 140,676.04, 194,132.94 and 77,013.84 is: 106,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,676.04 : 194,132.94 = 77,013.84 : x
  2. Step 2: Convert to fraction form
    140,676.04/194,132.94 = 77,013.84/x
  3. Step 3: Cross multiply
    140,676.04x = 194,132.94 × 77,013.84
  4. Step 4: Simplify right side
    140,676.04x = 14,950,923,179.89
  5. Step 5: Solve for x
    x = 14,950,923,179.89/140,676.04
  6. Step 6: Final answer
    x = 106,279.10

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1.5x scale

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.