Home / 221,586.17-331,883.52-103,079.93

Finding the Fourth Proportional to 221,586.17, 331,883.52 and 103,079.93

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Solution

The fourth proportional to 221,586.17, 331,883.52 and 103,079.93 is: 154,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,586.17 : 331,883.52 = 103,079.93 : x
  2. Step 2: Convert to fraction form
    221,586.17/331,883.52 = 103,079.93/x
  3. Step 3: Cross multiply
    221,586.17x = 331,883.52 × 103,079.93
  4. Step 4: Simplify right side
    221,586.17x = 34,210,530,009.75
  5. Step 5: Solve for x
    x = 34,210,530,009.75/221,586.17
  6. Step 6: Final answer
    x = 154,389.28

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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.