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Finding the Fourth Proportional to 169,603.22, 254,396.62 and 64,413.98

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Solution

The fourth proportional to 169,603.22, 254,396.62 and 64,413.98 is: 96,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,603.22 : 254,396.62 = 64,413.98 : x
  2. Step 2: Convert to fraction form
    169,603.22/254,396.62 = 64,413.98/x
  3. Step 3: Cross multiply
    169,603.22x = 254,396.62 × 64,413.98
  4. Step 4: Simplify right side
    169,603.22x = 16,386,700,167.41
  5. Step 5: Solve for x
    x = 16,386,700,167.41/169,603.22
  6. Step 6: Final answer
    x = 96,617.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.