Home / 132,923.82-199,385.71-39,428.76

Finding the Fourth Proportional to 132,923.82, 199,385.71 and 39,428.76

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Solution

The fourth proportional to 132,923.82, 199,385.71 and 39,428.76 is: 59,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,923.82 : 199,385.71 = 39,428.76 : x
  2. Step 2: Convert to fraction form
    132,923.82/199,385.71 = 39,428.76/x
  3. Step 3: Cross multiply
    132,923.82x = 199,385.71 × 39,428.76
  4. Step 4: Simplify right side
    132,923.82x = 7,861,531,307.02
  5. Step 5: Solve for x
    x = 7,861,531,307.02/132,923.82
  6. Step 6: Final answer
    x = 59,143.13

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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.