Home / 220,732.10-330,838.92-102,152.96

Finding the Fourth Proportional to 220,732.10, 330,838.92 and 102,152.96

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Solution

The fourth proportional to 220,732.10, 330,838.92 and 102,152.96 is: 153,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,732.10 : 330,838.92 = 102,152.96 : x
  2. Step 2: Convert to fraction form
    220,732.10/330,838.92 = 102,152.96/x
  3. Step 3: Cross multiply
    220,732.10x = 330,838.92 × 102,152.96
  4. Step 4: Simplify right side
    220,732.10x = 33,796,174,961.20
  5. Step 5: Solve for x
    x = 33,796,174,961.20/220,732.10
  6. Step 6: Final answer
    x = 153,109.47

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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.