Home / 87,858.36-132,476.76-80,510.04

Finding the Fourth Proportional to 87,858.36, 132,476.76 and 80,510.04

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Solution

The fourth proportional to 87,858.36, 132,476.76 and 80,510.04 is: 121,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,858.36 : 132,476.76 = 80,510.04 : x
  2. Step 2: Convert to fraction form
    87,858.36/132,476.76 = 80,510.04/x
  3. Step 3: Cross multiply
    87,858.36x = 132,476.76 × 80,510.04
  4. Step 4: Simplify right side
    87,858.36x = 10,665,709,246.67
  5. Step 5: Solve for x
    x = 10,665,709,246.67/87,858.36
  6. Step 6: Final answer
    x = 121,396.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.