Home / 132,914.79-199,487.34-69,779.61

Finding the Fourth Proportional to 132,914.79, 199,487.34 and 69,779.61

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Solution

The fourth proportional to 132,914.79, 199,487.34 and 69,779.61 is: 104,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,914.79 : 199,487.34 = 69,779.61 : x
  2. Step 2: Convert to fraction form
    132,914.79/199,487.34 = 69,779.61/x
  3. Step 3: Cross multiply
    132,914.79x = 199,487.34 × 69,779.61
  4. Step 4: Simplify right side
    132,914.79x = 13,920,148,785.14
  5. Step 5: Solve for x
    x = 13,920,148,785.14/132,914.79
  6. Step 6: Final answer
    x = 104,729.87

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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.