Home / 154,546.02-231,819.03-84,387.06

Finding the Fourth Proportional to 154,546.02, 231,819.03 and 84,387.06

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Solution

The fourth proportional to 154,546.02, 231,819.03 and 84,387.06 is: 126,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,546.02 : 231,819.03 = 84,387.06 : x
  2. Step 2: Convert to fraction form
    154,546.02/231,819.03 = 84,387.06/x
  3. Step 3: Cross multiply
    154,546.02x = 231,819.03 × 84,387.06
  4. Step 4: Simplify right side
    154,546.02x = 19,562,526,393.75
  5. Step 5: Solve for x
    x = 19,562,526,393.75/154,546.02
  6. Step 6: Final answer
    x = 126,580.59

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1.5x scale

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.