Home / 97,766.30-134,847.80-89,725.87

Finding the Fourth Proportional to 97,766.30, 134,847.80 and 89,725.87

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Solution

The fourth proportional to 97,766.30, 134,847.80 and 89,725.87 is: 123,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,766.30 : 134,847.80 = 89,725.87 : x
  2. Step 2: Convert to fraction form
    97,766.30/134,847.80 = 89,725.87/x
  3. Step 3: Cross multiply
    97,766.30x = 134,847.80 × 89,725.87
  4. Step 4: Simplify right side
    97,766.30x = 12,099,336,285.39
  5. Step 5: Solve for x
    x = 12,099,336,285.39/97,766.30
  6. Step 6: Final answer
    x = 123,757.74

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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.