Home / 77,677.62-116,265.83-40,186.07

Finding the Fourth Proportional to 77,677.62, 116,265.83 and 40,186.07

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Solution

The fourth proportional to 77,677.62, 116,265.83 and 40,186.07 is: 60,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,677.62 : 116,265.83 = 40,186.07 : x
  2. Step 2: Convert to fraction form
    77,677.62/116,265.83 = 40,186.07/x
  3. Step 3: Cross multiply
    77,677.62x = 116,265.83 × 40,186.07
  4. Step 4: Simplify right side
    77,677.62x = 4,672,266,782.99
  5. Step 5: Solve for x
    x = 4,672,266,782.99/77,677.62
  6. Step 6: Final answer
    x = 60,149.46

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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.