Home / 215,200.80-296,970.30-119,706.66

Finding the Fourth Proportional to 215,200.80, 296,970.30 and 119,706.66

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Solution

The fourth proportional to 215,200.80, 296,970.30 and 119,706.66 is: 165,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,200.80 : 296,970.30 = 119,706.66 : x
  2. Step 2: Convert to fraction form
    215,200.80/296,970.30 = 119,706.66/x
  3. Step 3: Cross multiply
    215,200.80x = 296,970.30 × 119,706.66
  4. Step 4: Simplify right side
    215,200.80x = 35,549,322,732.20
  5. Step 5: Solve for x
    x = 35,549,322,732.20/215,200.80
  6. Step 6: Final answer
    x = 165,191.41

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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.