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Finding the Fourth Proportional to 173,413.49, 260,124.84 and 61,068.17

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Solution

The fourth proportional to 173,413.49, 260,124.84 and 61,068.17 is: 91,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,413.49 : 260,124.84 = 61,068.17 : x
  2. Step 2: Convert to fraction form
    173,413.49/260,124.84 = 61,068.17/x
  3. Step 3: Cross multiply
    173,413.49x = 260,124.84 × 61,068.17
  4. Step 4: Simplify right side
    173,413.49x = 15,885,346,649.72
  5. Step 5: Solve for x
    x = 15,885,346,649.72/173,413.49
  6. Step 6: Final answer
    x = 91,603.87

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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.