Home / 254,705.60-381,815.40-94,738.70

Finding the Fourth Proportional to 254,705.60, 381,815.40 and 94,738.70

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Solution

The fourth proportional to 254,705.60, 381,815.40 and 94,738.70 is: 142,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,705.60 : 381,815.40 = 94,738.70 : x
  2. Step 2: Convert to fraction form
    254,705.60/381,815.40 = 94,738.70/x
  3. Step 3: Cross multiply
    254,705.60x = 381,815.40 × 94,738.70
  4. Step 4: Simplify right side
    254,705.60x = 36,172,694,635.98
  5. Step 5: Solve for x
    x = 36,172,694,635.98/254,705.60
  6. Step 6: Final answer
    x = 142,017.67

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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.