Home / 254,215.80-381,356.10-96,489.36

Finding the Fourth Proportional to 254,215.80, 381,356.10 and 96,489.36

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Solution

The fourth proportional to 254,215.80, 381,356.10 and 96,489.36 is: 144,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,215.80 : 381,356.10 = 96,489.36 : x
  2. Step 2: Convert to fraction form
    254,215.80/381,356.10 = 96,489.36/x
  3. Step 3: Cross multiply
    254,215.80x = 381,356.10 × 96,489.36
  4. Step 4: Simplify right side
    254,215.80x = 36,796,806,021.10
  5. Step 5: Solve for x
    x = 36,796,806,021.10/254,215.80
  6. Step 6: Final answer
    x = 144,746.34

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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.