Home / 187,413.03-258,629.70-102,530.09

Finding the Fourth Proportional to 187,413.03, 258,629.70 and 102,530.09

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Solution

The fourth proportional to 187,413.03, 258,629.70 and 102,530.09 is: 141,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,413.03 : 258,629.70 = 102,530.09 : x
  2. Step 2: Convert to fraction form
    187,413.03/258,629.70 = 102,530.09/x
  3. Step 3: Cross multiply
    187,413.03x = 258,629.70 × 102,530.09
  4. Step 4: Simplify right side
    187,413.03x = 26,517,325,124.52
  5. Step 5: Solve for x
    x = 26,517,325,124.52/187,413.03
  6. Step 6: Final answer
    x = 141,491.36

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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.