Home / 187,413.10-258,647.88-102,542.92

Finding the Fourth Proportional to 187,413.10, 258,647.88 and 102,542.92

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Solution

The fourth proportional to 187,413.10, 258,647.88 and 102,542.92 is: 141,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,413.10 : 258,647.88 = 102,542.92 : x
  2. Step 2: Convert to fraction form
    187,413.10/258,647.88 = 102,542.92/x
  3. Step 3: Cross multiply
    187,413.10x = 258,647.88 × 102,542.92
  4. Step 4: Simplify right side
    187,413.10x = 26,522,508,867.01
  5. Step 5: Solve for x
    x = 26,522,508,867.01/187,413.10
  6. Step 6: Final answer
    x = 141,518.97

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1.5x scale

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.