Home / 216,435.35-298,675.05-120,942.83

Finding the Fourth Proportional to 216,435.35, 298,675.05 and 120,942.83

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Solution

The fourth proportional to 216,435.35, 298,675.05 and 120,942.83 is: 166,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,435.35 : 298,675.05 = 120,942.83 : x
  2. Step 2: Convert to fraction form
    216,435.35/298,675.05 = 120,942.83/x
  3. Step 3: Cross multiply
    216,435.35x = 298,675.05 × 120,942.83
  4. Step 4: Simplify right side
    216,435.35x = 36,122,605,424.05
  5. Step 5: Solve for x
    x = 36,122,605,424.05/216,435.35
  6. Step 6: Final answer
    x = 166,897.90

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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.