Home / 221,453.88-331,681.38-102,875.70

Finding the Fourth Proportional to 221,453.88, 331,681.38 and 102,875.70

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Solution

The fourth proportional to 221,453.88, 331,681.38 and 102,875.70 is: 154,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,453.88 : 331,681.38 = 102,875.70 : x
  2. Step 2: Convert to fraction form
    221,453.88/331,681.38 = 102,875.70/x
  3. Step 3: Cross multiply
    221,453.88x = 331,681.38 × 102,875.70
  4. Step 4: Simplify right side
    221,453.88x = 34,121,954,144.47
  5. Step 5: Solve for x
    x = 34,121,954,144.47/221,453.88
  6. Step 6: Final answer
    x = 154,081.54

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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.