Home / 120,717.84-181,033.03-54,123.69

Finding the Fourth Proportional to 120,717.84, 181,033.03 and 54,123.69

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Solution

The fourth proportional to 120,717.84, 181,033.03 and 54,123.69 is: 81,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.84 : 181,033.03 = 54,123.69 : x
  2. Step 2: Convert to fraction form
    120,717.84/181,033.03 = 54,123.69/x
  3. Step 3: Cross multiply
    120,717.84x = 181,033.03 × 54,123.69
  4. Step 4: Simplify right side
    120,717.84x = 9,798,176,037.56
  5. Step 5: Solve for x
    x = 9,798,176,037.56/120,717.84
  6. Step 6: Final answer
    x = 81,165.93

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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.