Home / 254,686.60-381,786.90-94,719.70

Finding the Fourth Proportional to 254,686.60, 381,786.90 and 94,719.70

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Solution

The fourth proportional to 254,686.60, 381,786.90 and 94,719.70 is: 141,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,686.60 : 381,786.90 = 94,719.70 : x
  2. Step 2: Convert to fraction form
    254,686.60/381,786.90 = 94,719.70/x
  3. Step 3: Cross multiply
    254,686.60x = 381,786.90 × 94,719.70
  4. Step 4: Simplify right side
    254,686.60x = 36,162,740,631.93
  5. Step 5: Solve for x
    x = 36,162,740,631.93/254,686.60
  6. Step 6: Final answer
    x = 141,989.18

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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.