Home / 216,749.90-325,006.04-120,716.30

Finding the Fourth Proportional to 216,749.90, 325,006.04 and 120,716.30

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Solution

The fourth proportional to 216,749.90, 325,006.04 and 120,716.30 is: 181,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,749.90 : 325,006.04 = 120,716.30 : x
  2. Step 2: Convert to fraction form
    216,749.90/325,006.04 = 120,716.30/x
  3. Step 3: Cross multiply
    216,749.90x = 325,006.04 × 120,716.30
  4. Step 4: Simplify right side
    216,749.90x = 39,233,526,626.45
  5. Step 5: Solve for x
    x = 39,233,526,626.45/216,749.90
  6. Step 6: Final answer
    x = 181,008.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.