Home / 161,583.39-242,375.22-77,323.77

Finding the Fourth Proportional to 161,583.39, 242,375.22 and 77,323.77

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Solution

The fourth proportional to 161,583.39, 242,375.22 and 77,323.77 is: 115,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,583.39 : 242,375.22 = 77,323.77 : x
  2. Step 2: Convert to fraction form
    161,583.39/242,375.22 = 77,323.77/x
  3. Step 3: Cross multiply
    161,583.39x = 242,375.22 × 77,323.77
  4. Step 4: Simplify right side
    161,583.39x = 18,741,365,764.98
  5. Step 5: Solve for x
    x = 18,741,365,764.98/161,583.39
  6. Step 6: Final answer
    x = 115,985.72

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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.