Home / 102,634.29-141,622.83-57,314.79

Finding the Fourth Proportional to 102,634.29, 141,622.83 and 57,314.79

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Solution

The fourth proportional to 102,634.29, 141,622.83 and 57,314.79 is: 79,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,634.29 : 141,622.83 = 57,314.79 : x
  2. Step 2: Convert to fraction form
    102,634.29/141,622.83 = 57,314.79/x
  3. Step 3: Cross multiply
    102,634.29x = 141,622.83 × 57,314.79
  4. Step 4: Simplify right side
    102,634.29x = 8,117,082,760.66
  5. Step 5: Solve for x
    x = 8,117,082,760.66/102,634.29
  6. Step 6: Final answer
    x = 79,087.44

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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.