Home / 135,082.15-186,413.94-73,829.59

Finding the Fourth Proportional to 135,082.15, 186,413.94 and 73,829.59

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Solution

The fourth proportional to 135,082.15, 186,413.94 and 73,829.59 is: 101,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,082.15 : 186,413.94 = 73,829.59 : x
  2. Step 2: Convert to fraction form
    135,082.15/186,413.94 = 73,829.59/x
  3. Step 3: Cross multiply
    135,082.15x = 186,413.94 × 73,829.59
  4. Step 4: Simplify right side
    135,082.15x = 13,762,864,760.48
  5. Step 5: Solve for x
    x = 13,762,864,760.48/135,082.15
  6. Step 6: Final answer
    x = 101,885.15

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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.