Home / 92,840.16-139,265.63-26,274.72

Finding the Fourth Proportional to 92,840.16, 139,265.63 and 26,274.72

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Solution

The fourth proportional to 92,840.16, 139,265.63 and 26,274.72 is: 39,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,840.16 : 139,265.63 = 26,274.72 : x
  2. Step 2: Convert to fraction form
    92,840.16/139,265.63 = 26,274.72/x
  3. Step 3: Cross multiply
    92,840.16x = 139,265.63 × 26,274.72
  4. Step 4: Simplify right side
    92,840.16x = 3,659,165,433.87
  5. Step 5: Solve for x
    x = 3,659,165,433.87/92,840.16
  6. Step 6: Final answer
    x = 39,413.61

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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.