Home / 154,429.40-231,989.70-148,131.80

Finding the Fourth Proportional to 154,429.40, 231,989.70 and 148,131.80

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Solution

The fourth proportional to 154,429.40, 231,989.70 and 148,131.80 is: 222,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,429.40 : 231,989.70 = 148,131.80 : x
  2. Step 2: Convert to fraction form
    154,429.40/231,989.70 = 148,131.80/x
  3. Step 3: Cross multiply
    154,429.40x = 231,989.70 × 148,131.80
  4. Step 4: Simplify right side
    154,429.40x = 34,365,051,842.46
  5. Step 5: Solve for x
    x = 34,365,051,842.46/154,429.40
  6. Step 6: Final answer
    x = 222,529.21

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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.