Home / 216,385.76-298,618.44-120,902.96

Finding the Fourth Proportional to 216,385.76, 298,618.44 and 120,902.96

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Solution

The fourth proportional to 216,385.76, 298,618.44 and 120,902.96 is: 166,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,385.76 : 298,618.44 = 120,902.96 : x
  2. Step 2: Convert to fraction form
    216,385.76/298,618.44 = 120,902.96/x
  3. Step 3: Cross multiply
    216,385.76x = 298,618.44 × 120,902.96
  4. Step 4: Simplify right side
    216,385.76x = 36,103,853,306.58
  5. Step 5: Solve for x
    x = 36,103,853,306.58/216,385.76
  6. Step 6: Final answer
    x = 166,849.49

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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.