Home / 254,226.47-381,342.33-76,734.95

Finding the Fourth Proportional to 254,226.47, 381,342.33 and 76,734.95

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Solution

The fourth proportional to 254,226.47, 381,342.33 and 76,734.95 is: 115,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,226.47 : 381,342.33 = 76,734.95 : x
  2. Step 2: Convert to fraction form
    254,226.47/381,342.33 = 76,734.95/x
  3. Step 3: Cross multiply
    254,226.47x = 381,342.33 × 76,734.95
  4. Step 4: Simplify right side
    254,226.47x = 29,262,282,718.72
  5. Step 5: Solve for x
    x = 29,262,282,718.72/254,226.47
  6. Step 6: Final answer
    x = 115,103.21

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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.