Home / 139,655.24-192,690.63-82,296.90

Finding the Fourth Proportional to 139,655.24, 192,690.63 and 82,296.90

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Solution

The fourth proportional to 139,655.24, 192,690.63 and 82,296.90 is: 113,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,655.24 : 192,690.63 = 82,296.90 : x
  2. Step 2: Convert to fraction form
    139,655.24/192,690.63 = 82,296.90/x
  3. Step 3: Cross multiply
    139,655.24x = 192,690.63 × 82,296.90
  4. Step 4: Simplify right side
    139,655.24x = 15,857,841,508.05
  5. Step 5: Solve for x
    x = 15,857,841,508.05/139,655.24
  6. Step 6: Final answer
    x = 113,549.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.