Home / 254,005.56-381,050.46-85,540.14

Finding the Fourth Proportional to 254,005.56, 381,050.46 and 85,540.14

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Solution

The fourth proportional to 254,005.56, 381,050.46 and 85,540.14 is: 128,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,005.56 : 381,050.46 = 85,540.14 : x
  2. Step 2: Convert to fraction form
    254,005.56/381,050.46 = 85,540.14/x
  3. Step 3: Cross multiply
    254,005.56x = 381,050.46 × 85,540.14
  4. Step 4: Simplify right side
    254,005.56x = 32,595,109,695.46
  5. Step 5: Solve for x
    x = 32,595,109,695.46/254,005.56
  6. Step 6: Final answer
    x = 128,324.39

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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.