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Finding the Fourth Proportional to 65,360, 98,040 and 16,112

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Solution

The fourth proportional to 65,360, 98,040 and 16,112 is: 24,168

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,360 : 98,040 = 16,112 : x
  2. Step 2: Convert to fraction form
    65,360/98,040 = 16,112/x
  3. Step 3: Cross multiply
    65,360x = 98,040 × 16,112
  4. Step 4: Simplify right side
    65,360x = 1,579,620,480
  5. Step 5: Solve for x
    x = 1,579,620,480/65,360
  6. Step 6: Final answer
    x = 24,168

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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.