Home / 220,583.10-304,404.62-125,089.78

Finding the Fourth Proportional to 220,583.10, 304,404.62 and 125,089.78

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Solution

The fourth proportional to 220,583.10, 304,404.62 and 125,089.78 is: 172,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,583.10 : 304,404.62 = 125,089.78 : x
  2. Step 2: Convert to fraction form
    220,583.10/304,404.62 = 125,089.78/x
  3. Step 3: Cross multiply
    220,583.10x = 304,404.62 × 125,089.78
  4. Step 4: Simplify right side
    220,583.10x = 38,077,906,946.78
  5. Step 5: Solve for x
    x = 38,077,906,946.78/220,583.10
  6. Step 6: Final answer
    x = 172,623.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.