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Finding the Fourth Proportional to 97,248.44, 134,166.65 and 65,366.84

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Solution

The fourth proportional to 97,248.44, 134,166.65 and 65,366.84 is: 90,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,248.44 : 134,166.65 = 65,366.84 : x
  2. Step 2: Convert to fraction form
    97,248.44/134,166.65 = 65,366.84/x
  3. Step 3: Cross multiply
    97,248.44x = 134,166.65 × 65,366.84
  4. Step 4: Simplify right side
    97,248.44x = 8,770,049,943.89
  5. Step 5: Solve for x
    x = 8,770,049,943.89/97,248.44
  6. Step 6: Final answer
    x = 90,181.91

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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.