Home / 154,426.70-231,640.05-148,521.80

Finding the Fourth Proportional to 154,426.70, 231,640.05 and 148,521.80

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Solution

The fourth proportional to 154,426.70, 231,640.05 and 148,521.80 is: 222,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426.70 : 231,640.05 = 148,521.80 : x
  2. Step 2: Convert to fraction form
    154,426.70/231,640.05 = 148,521.80/x
  3. Step 3: Cross multiply
    154,426.70x = 231,640.05 × 148,521.80
  4. Step 4: Simplify right side
    154,426.70x = 34,403,597,178.09
  5. Step 5: Solve for x
    x = 34,403,597,178.09/154,426.70
  6. Step 6: Final answer
    x = 222,782.70

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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.