Home / 103,622.66-142,999.27-58,910.66

Finding the Fourth Proportional to 103,622.66, 142,999.27 and 58,910.66

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Solution

The fourth proportional to 103,622.66, 142,999.27 and 58,910.66 is: 81,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.66 : 142,999.27 = 58,910.66 : x
  2. Step 2: Convert to fraction form
    103,622.66/142,999.27 = 58,910.66/x
  3. Step 3: Cross multiply
    103,622.66x = 142,999.27 × 58,910.66
  4. Step 4: Simplify right side
    103,622.66x = 8,424,180,660.22
  5. Step 5: Solve for x
    x = 8,424,180,660.22/103,622.66
  6. Step 6: Final answer
    x = 81,296.71

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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.