Home / 276,148.27-413,997.63-86,511.07

Finding the Fourth Proportional to 276,148.27, 413,997.63 and 86,511.07

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Solution

The fourth proportional to 276,148.27, 413,997.63 and 86,511.07 is: 129,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,148.27 : 413,997.63 = 86,511.07 : x
  2. Step 2: Convert to fraction form
    276,148.27/413,997.63 = 86,511.07/x
  3. Step 3: Cross multiply
    276,148.27x = 413,997.63 × 86,511.07
  4. Step 4: Simplify right side
    276,148.27x = 35,815,377,948.76
  5. Step 5: Solve for x
    x = 35,815,377,948.76/276,148.27
  6. Step 6: Final answer
    x = 129,696.19

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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.