Home / 254,246.48-381,372.36-76,754.96

Finding the Fourth Proportional to 254,246.48, 381,372.36 and 76,754.96

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Solution

The fourth proportional to 254,246.48, 381,372.36 and 76,754.96 is: 115,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,246.48 : 381,372.36 = 76,754.96 : x
  2. Step 2: Convert to fraction form
    254,246.48/381,372.36 = 76,754.96/x
  3. Step 3: Cross multiply
    254,246.48x = 381,372.36 × 76,754.96
  4. Step 4: Simplify right side
    254,246.48x = 29,272,220,236.91
  5. Step 5: Solve for x
    x = 29,272,220,236.91/254,246.48
  6. Step 6: Final answer
    x = 115,133.24

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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.