Home / 111,554.07-154,247.70-109,751.52

Finding the Fourth Proportional to 111,554.07, 154,247.70 and 109,751.52

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Solution

The fourth proportional to 111,554.07, 154,247.70 and 109,751.52 is: 151,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,554.07 : 154,247.70 = 109,751.52 : x
  2. Step 2: Convert to fraction form
    111,554.07/154,247.70 = 109,751.52/x
  3. Step 3: Cross multiply
    111,554.07x = 154,247.70 × 109,751.52
  4. Step 4: Simplify right side
    111,554.07x = 16,928,919,531.50
  5. Step 5: Solve for x
    x = 16,928,919,531.50/111,554.07
  6. Step 6: Final answer
    x = 151,755.28

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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.