Home / 129,923.79-194,896.62-45,676.77

Finding the Fourth Proportional to 129,923.79, 194,896.62 and 45,676.77

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Solution

The fourth proportional to 129,923.79, 194,896.62 and 45,676.77 is: 68,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,923.79 : 194,896.62 = 45,676.77 : x
  2. Step 2: Convert to fraction form
    129,923.79/194,896.62 = 45,676.77/x
  3. Step 3: Cross multiply
    129,923.79x = 194,896.62 × 45,676.77
  4. Step 4: Simplify right side
    129,923.79x = 8,902,248,085.52
  5. Step 5: Solve for x
    x = 8,902,248,085.52/129,923.79
  6. Step 6: Final answer
    x = 68,519.00

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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.