Home / 87,476.81-131,137.08-34,156.38

Finding the Fourth Proportional to 87,476.81, 131,137.08 and 34,156.38

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Solution

The fourth proportional to 87,476.81, 131,137.08 and 34,156.38 is: 51,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,476.81 : 131,137.08 = 34,156.38 : x
  2. Step 2: Convert to fraction form
    87,476.81/131,137.08 = 34,156.38/x
  3. Step 3: Cross multiply
    87,476.81x = 131,137.08 × 34,156.38
  4. Step 4: Simplify right side
    87,476.81x = 4,479,168,300.25
  5. Step 5: Solve for x
    x = 4,479,168,300.25/87,476.81
  6. Step 6: Final answer
    x = 51,204.07

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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.