Home / 221,453.53-331,680.89-102,875.34

Finding the Fourth Proportional to 221,453.53, 331,680.89 and 102,875.34

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Solution

The fourth proportional to 221,453.53, 331,680.89 and 102,875.34 is: 154,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,453.53 : 331,680.89 = 102,875.34 : x
  2. Step 2: Convert to fraction form
    221,453.53/331,680.89 = 102,875.34/x
  3. Step 3: Cross multiply
    221,453.53x = 331,680.89 × 102,875.34
  4. Step 4: Simplify right side
    221,453.53x = 34,121,782,157.47
  5. Step 5: Solve for x
    x = 34,121,782,157.47/221,453.53
  6. Step 6: Final answer
    x = 154,081.00

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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.