Home / 215,014.11-296,701.21-118,212.73

Finding the Fourth Proportional to 215,014.11, 296,701.21 and 118,212.73

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Solution

The fourth proportional to 215,014.11, 296,701.21 and 118,212.73 is: 163,123.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,014.11 : 296,701.21 = 118,212.73 : x
  2. Step 2: Convert to fraction form
    215,014.11/296,701.21 = 118,212.73/x
  3. Step 3: Cross multiply
    215,014.11x = 296,701.21 × 118,212.73
  4. Step 4: Simplify right side
    215,014.11x = 35,073,859,434.42
  5. Step 5: Solve for x
    x = 35,073,859,434.42/215,014.11
  6. Step 6: Final answer
    x = 163,123.53

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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.