Home / 216,150.91-324,225.96-120,149.17

Finding the Fourth Proportional to 216,150.91, 324,225.96 and 120,149.17

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Solution

The fourth proportional to 216,150.91, 324,225.96 and 120,149.17 is: 180,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,150.91 : 324,225.96 = 120,149.17 : x
  2. Step 2: Convert to fraction form
    216,150.91/324,225.96 = 120,149.17/x
  3. Step 3: Cross multiply
    216,150.91x = 324,225.96 × 120,149.17
  4. Step 4: Simplify right side
    216,150.91x = 38,955,479,986.45
  5. Step 5: Solve for x
    x = 38,955,479,986.45/216,150.91
  6. Step 6: Final answer
    x = 180,223.53

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1.5x scale

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.