Home / 154,412.03-231,636.72-54,551.78

Finding the Fourth Proportional to 154,412.03, 231,636.72 and 54,551.78

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Solution

The fourth proportional to 154,412.03, 231,636.72 and 54,551.78 is: 81,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412.03 : 231,636.72 = 54,551.78 : x
  2. Step 2: Convert to fraction form
    154,412.03/231,636.72 = 54,551.78/x
  3. Step 3: Cross multiply
    154,412.03x = 231,636.72 × 54,551.78
  4. Step 4: Simplify right side
    154,412.03x = 12,636,195,389.36
  5. Step 5: Solve for x
    x = 12,636,195,389.36/154,412.03
  6. Step 6: Final answer
    x = 81,834.27

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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.