Home / 215,049.60-296,596.80-134,323.20

Finding the Fourth Proportional to 215,049.60, 296,596.80 and 134,323.20

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Solution

The fourth proportional to 215,049.60, 296,596.80 and 134,323.20 is: 185,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,049.60 : 296,596.80 = 134,323.20 : x
  2. Step 2: Convert to fraction form
    215,049.60/296,596.80 = 134,323.20/x
  3. Step 3: Cross multiply
    215,049.60x = 296,596.80 × 134,323.20
  4. Step 4: Simplify right side
    215,049.60x = 39,839,831,285.76
  5. Step 5: Solve for x
    x = 39,839,831,285.76/215,049.60
  6. Step 6: Final answer
    x = 185,258.80

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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.