Home / 120,849.73-181,279.15-45,955.91

Finding the Fourth Proportional to 120,849.73, 181,279.15 and 45,955.91

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Solution

The fourth proportional to 120,849.73, 181,279.15 and 45,955.91 is: 68,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,849.73 : 181,279.15 = 45,955.91 : x
  2. Step 2: Convert to fraction form
    120,849.73/181,279.15 = 45,955.91/x
  3. Step 3: Cross multiply
    120,849.73x = 181,279.15 × 45,955.91
  4. Step 4: Simplify right side
    120,849.73x = 8,330,848,640.58
  5. Step 5: Solve for x
    x = 8,330,848,640.58/120,849.73
  6. Step 6: Final answer
    x = 68,935.60

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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.