Home / 103,043.30-142,201.23-60,021.68

Finding the Fourth Proportional to 103,043.30, 142,201.23 and 60,021.68

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Solution

The fourth proportional to 103,043.30, 142,201.23 and 60,021.68 is: 82,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,043.30 : 142,201.23 = 60,021.68 : x
  2. Step 2: Convert to fraction form
    103,043.30/142,201.23 = 60,021.68/x
  3. Step 3: Cross multiply
    103,043.30x = 142,201.23 × 60,021.68
  4. Step 4: Simplify right side
    103,043.30x = 8,535,157,028.60
  5. Step 5: Solve for x
    x = 8,535,157,028.60/103,043.30
  6. Step 6: Final answer
    x = 82,830.78

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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.