Home / 254,117.04-381,111.61-104,398.66

Finding the Fourth Proportional to 254,117.04, 381,111.61 and 104,398.66

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Solution

The fourth proportional to 254,117.04, 381,111.61 and 104,398.66 is: 156,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,117.04 : 381,111.61 = 104,398.66 : x
  2. Step 2: Convert to fraction form
    254,117.04/381,111.61 = 104,398.66/x
  3. Step 3: Cross multiply
    254,117.04x = 381,111.61 × 104,398.66
  4. Step 4: Simplify right side
    254,117.04x = 39,787,541,394.44
  5. Step 5: Solve for x
    x = 39,787,541,394.44/254,117.04
  6. Step 6: Final answer
    x = 156,571.72

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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.