Home / 103,353.57-142,610.76-60,906.33

Finding the Fourth Proportional to 103,353.57, 142,610.76 and 60,906.33

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Solution

The fourth proportional to 103,353.57, 142,610.76 and 60,906.33 is: 84,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,353.57 : 142,610.76 = 60,906.33 : x
  2. Step 2: Convert to fraction form
    103,353.57/142,610.76 = 60,906.33/x
  3. Step 3: Cross multiply
    103,353.57x = 142,610.76 × 60,906.33
  4. Step 4: Simplify right side
    103,353.57x = 8,685,898,010.11
  5. Step 5: Solve for x
    x = 8,685,898,010.11/103,353.57
  6. Step 6: Final answer
    x = 84,040.62

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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.