Home / 216,119.45-298,217.32-120,630.17

Finding the Fourth Proportional to 216,119.45, 298,217.32 and 120,630.17

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Solution

The fourth proportional to 216,119.45, 298,217.32 and 120,630.17 is: 166,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,119.45 : 298,217.32 = 120,630.17 : x
  2. Step 2: Convert to fraction form
    216,119.45/298,217.32 = 120,630.17/x
  3. Step 3: Cross multiply
    216,119.45x = 298,217.32 × 120,630.17
  4. Step 4: Simplify right side
    216,119.45x = 35,974,006,452.51
  5. Step 5: Solve for x
    x = 35,974,006,452.51/216,119.45
  6. Step 6: Final answer
    x = 166,454.27

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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.