Home / 132,986.73-199,538.58-69,792

Finding the Fourth Proportional to 132,986.73, 199,538.58 and 69,792

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Solution

The fourth proportional to 132,986.73, 199,538.58 and 69,792 is: 104,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,986.73 : 199,538.58 = 69,792 : x
  2. Step 2: Convert to fraction form
    132,986.73/199,538.58 = 69,792/x
  3. Step 3: Cross multiply
    132,986.73x = 199,538.58 × 69,792
  4. Step 4: Simplify right side
    132,986.73x = 13,926,196,575.36
  5. Step 5: Solve for x
    x = 13,926,196,575.36/132,986.73
  6. Step 6: Final answer
    x = 104,718.69

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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.