Home / 139,129.11-208,691.64-96,395.13

Finding the Fourth Proportional to 139,129.11, 208,691.64 and 96,395.13

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Solution

The fourth proportional to 139,129.11, 208,691.64 and 96,395.13 is: 144,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,129.11 : 208,691.64 = 96,395.13 : x
  2. Step 2: Convert to fraction form
    139,129.11/208,691.64 = 96,395.13/x
  3. Step 3: Cross multiply
    139,129.11x = 208,691.64 × 96,395.13
  4. Step 4: Simplify right side
    139,129.11x = 20,116,857,767.71
  5. Step 5: Solve for x
    x = 20,116,857,767.71/139,129.11
  6. Step 6: Final answer
    x = 144,591.29

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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.