Home / 220,916.07-304,864.20-120,314.07

Finding the Fourth Proportional to 220,916.07, 304,864.20 and 120,314.07

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Solution

The fourth proportional to 220,916.07, 304,864.20 and 120,314.07 is: 166,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,916.07 : 304,864.20 = 120,314.07 : x
  2. Step 2: Convert to fraction form
    220,916.07/304,864.20 = 120,314.07/x
  3. Step 3: Cross multiply
    220,916.07x = 304,864.20 × 120,314.07
  4. Step 4: Simplify right side
    220,916.07x = 36,679,451,174.97
  5. Step 5: Solve for x
    x = 36,679,451,174.97/220,916.07
  6. Step 6: Final answer
    x = 166,033.43

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1.5x scale

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.