Home / 254,136.20-381,204.30-96,356.30

Finding the Fourth Proportional to 254,136.20, 381,204.30 and 96,356.30

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Solution

The fourth proportional to 254,136.20, 381,204.30 and 96,356.30 is: 144,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,136.20 : 381,204.30 = 96,356.30 : x
  2. Step 2: Convert to fraction form
    254,136.20/381,204.30 = 96,356.30/x
  3. Step 3: Cross multiply
    254,136.20x = 381,204.30 × 96,356.30
  4. Step 4: Simplify right side
    254,136.20x = 36,731,435,892.09
  5. Step 5: Solve for x
    x = 36,731,435,892.09/254,136.20
  6. Step 6: Final answer
    x = 144,534.45

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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.