Home / 103,062.24-142,193.61-57,734.10

Finding the Fourth Proportional to 103,062.24, 142,193.61 and 57,734.10

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Solution

The fourth proportional to 103,062.24, 142,193.61 and 57,734.10 is: 79,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,062.24 : 142,193.61 = 57,734.10 : x
  2. Step 2: Convert to fraction form
    103,062.24/142,193.61 = 57,734.10/x
  3. Step 3: Cross multiply
    103,062.24x = 142,193.61 × 57,734.10
  4. Step 4: Simplify right side
    103,062.24x = 8,209,420,099.10
  5. Step 5: Solve for x
    x = 8,209,420,099.10/103,062.24
  6. Step 6: Final answer
    x = 79,654.97

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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.