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Finding the Fourth Proportional to 101,609.80, 140,236.02 and 59,191.72

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Solution

The fourth proportional to 101,609.80, 140,236.02 and 59,191.72 is: 81,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,609.80 : 140,236.02 = 59,191.72 : x
  2. Step 2: Convert to fraction form
    101,609.80/140,236.02 = 59,191.72/x
  3. Step 3: Cross multiply
    101,609.80x = 140,236.02 × 59,191.72
  4. Step 4: Simplify right side
    101,609.80x = 8,300,811,229.75
  5. Step 5: Solve for x
    x = 8,300,811,229.75/101,609.80
  6. Step 6: Final answer
    x = 81,693.02

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1.5x scale

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.