Home / 120,949.92-181,507.44-42,063.36

Finding the Fourth Proportional to 120,949.92, 181,507.44 and 42,063.36

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Solution

The fourth proportional to 120,949.92, 181,507.44 and 42,063.36 is: 63,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,949.92 : 181,507.44 = 42,063.36 : x
  2. Step 2: Convert to fraction form
    120,949.92/181,507.44 = 42,063.36/x
  3. Step 3: Cross multiply
    120,949.92x = 181,507.44 × 42,063.36
  4. Step 4: Simplify right side
    120,949.92x = 7,634,812,791.40
  5. Step 5: Solve for x
    x = 7,634,812,791.40/120,949.92
  6. Step 6: Final answer
    x = 63,123.75

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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.