Home / 216,435.25-298,679.72-120,941.94

Finding the Fourth Proportional to 216,435.25, 298,679.72 and 120,941.94

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Solution

The fourth proportional to 216,435.25, 298,679.72 and 120,941.94 is: 166,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,435.25 : 298,679.72 = 120,941.94 : x
  2. Step 2: Convert to fraction form
    216,435.25/298,679.72 = 120,941.94/x
  3. Step 3: Cross multiply
    216,435.25x = 298,679.72 × 120,941.94
  4. Step 4: Simplify right side
    216,435.25x = 36,122,904,775.46
  5. Step 5: Solve for x
    x = 36,122,904,775.46/216,435.25
  6. Step 6: Final answer
    x = 166,899.36

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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.