Home / 77,636.49-116,371.68-40,158.82

Finding the Fourth Proportional to 77,636.49, 116,371.68 and 40,158.82

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Solution

The fourth proportional to 77,636.49, 116,371.68 and 40,158.82 is: 60,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,636.49 : 116,371.68 = 40,158.82 : x
  2. Step 2: Convert to fraction form
    77,636.49/116,371.68 = 40,158.82/x
  3. Step 3: Cross multiply
    77,636.49x = 116,371.68 × 40,158.82
  4. Step 4: Simplify right side
    77,636.49x = 4,673,349,350.22
  5. Step 5: Solve for x
    x = 4,673,349,350.22/77,636.49
  6. Step 6: Final answer
    x = 60,195.27

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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.