Home / 87,053.00-130,732.58-85,806.41

Finding the Fourth Proportional to 87,053.00, 130,732.58 and 85,806.41

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Solution

The fourth proportional to 87,053.00, 130,732.58 and 85,806.41 is: 128,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,053.00 : 130,732.58 = 85,806.41 : x
  2. Step 2: Convert to fraction form
    87,053.00/130,732.58 = 85,806.41/x
  3. Step 3: Cross multiply
    87,053.00x = 130,732.58 × 85,806.41
  4. Step 4: Simplify right side
    87,053.00x = 11,217,692,920.69
  5. Step 5: Solve for x
    x = 11,217,692,920.69/87,053.00
  6. Step 6: Final answer
    x = 128,860.51

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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.