Home / 216,111.04-298,233.60-120,617.72

Finding the Fourth Proportional to 216,111.04, 298,233.60 and 120,617.72

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Solution

The fourth proportional to 216,111.04, 298,233.60 and 120,617.72 is: 166,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,111.04 : 298,233.60 = 120,617.72 : x
  2. Step 2: Convert to fraction form
    216,111.04/298,233.60 = 120,617.72/x
  3. Step 3: Cross multiply
    216,111.04x = 298,233.60 × 120,617.72
  4. Step 4: Simplify right side
    216,111.04x = 35,972,256,859.39
  5. Step 5: Solve for x
    x = 35,972,256,859.39/216,111.04
  6. Step 6: Final answer
    x = 166,452.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.