Home / 77,356.00-115,854.07-75,227.60

Finding the Fourth Proportional to 77,356.00, 115,854.07 and 75,227.60

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Solution

The fourth proportional to 77,356.00, 115,854.07 and 75,227.60 is: 112,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,356.00 : 115,854.07 = 75,227.60 : x
  2. Step 2: Convert to fraction form
    77,356.00/115,854.07 = 75,227.60/x
  3. Step 3: Cross multiply
    77,356.00x = 115,854.07 × 75,227.60
  4. Step 4: Simplify right side
    77,356.00x = 8,715,423,260.19
  5. Step 5: Solve for x
    x = 8,715,423,260.19/77,356.00
  6. Step 6: Final answer
    x = 112,666.42

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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.