Home / 120,835.05-181,251.36-73,463.28

Finding the Fourth Proportional to 120,835.05, 181,251.36 and 73,463.28

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Solution

The fourth proportional to 120,835.05, 181,251.36 and 73,463.28 is: 110,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,835.05 : 181,251.36 = 73,463.28 : x
  2. Step 2: Convert to fraction form
    120,835.05/181,251.36 = 73,463.28/x
  3. Step 3: Cross multiply
    120,835.05x = 181,251.36 × 73,463.28
  4. Step 4: Simplify right side
    120,835.05x = 13,315,319,410.06
  5. Step 5: Solve for x
    x = 13,315,319,410.06/120,835.05
  6. Step 6: Final answer
    x = 110,194.18

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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.