Home / 134,413.41-185,090.11-131,429.89

Finding the Fourth Proportional to 134,413.41, 185,090.11 and 131,429.89

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Solution

The fourth proportional to 134,413.41, 185,090.11 and 131,429.89 is: 180,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,413.41 : 185,090.11 = 131,429.89 : x
  2. Step 2: Convert to fraction form
    134,413.41/185,090.11 = 131,429.89/x
  3. Step 3: Cross multiply
    134,413.41x = 185,090.11 × 131,429.89
  4. Step 4: Simplify right side
    134,413.41x = 24,326,372,006.09
  5. Step 5: Solve for x
    x = 24,326,372,006.09/134,413.41
  6. Step 6: Final answer
    x = 180,981.73

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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.