Home / 103,177.10-142,413.92-60,760.24

Finding the Fourth Proportional to 103,177.10, 142,413.92 and 60,760.24

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Solution

The fourth proportional to 103,177.10, 142,413.92 and 60,760.24 is: 83,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,177.10 : 142,413.92 = 60,760.24 : x
  2. Step 2: Convert to fraction form
    103,177.10/142,413.92 = 60,760.24/x
  3. Step 3: Cross multiply
    103,177.10x = 142,413.92 × 60,760.24
  4. Step 4: Simplify right side
    103,177.10x = 8,653,103,958.54
  5. Step 5: Solve for x
    x = 8,653,103,958.54/103,177.10
  6. Step 6: Final answer
    x = 83,866.52

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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.