Home / 102,295.26-141,168.87-56,972.07

Finding the Fourth Proportional to 102,295.26, 141,168.87 and 56,972.07

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Solution

The fourth proportional to 102,295.26, 141,168.87 and 56,972.07 is: 78,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,295.26 : 141,168.87 = 56,972.07 : x
  2. Step 2: Convert to fraction form
    102,295.26/141,168.87 = 56,972.07/x
  3. Step 3: Cross multiply
    102,295.26x = 141,168.87 × 56,972.07
  4. Step 4: Simplify right side
    102,295.26x = 8,042,682,743.46
  5. Step 5: Solve for x
    x = 8,042,682,743.46/102,295.26
  6. Step 6: Final answer
    x = 78,622.24

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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.