Home / 214,945.85-296,754.84-142,410.15

Finding the Fourth Proportional to 214,945.85, 296,754.84 and 142,410.15

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Solution

The fourth proportional to 214,945.85, 296,754.84 and 142,410.15 is: 196,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,945.85 : 296,754.84 = 142,410.15 : x
  2. Step 2: Convert to fraction form
    214,945.85/296,754.84 = 142,410.15/x
  3. Step 3: Cross multiply
    214,945.85x = 296,754.84 × 142,410.15
  4. Step 4: Simplify right side
    214,945.85x = 42,260,901,277.63
  5. Step 5: Solve for x
    x = 42,260,901,277.63/214,945.85
  6. Step 6: Final answer
    x = 196,611.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.