Home / 216,157.15-324,247.55-89,810.17

Finding the Fourth Proportional to 216,157.15, 324,247.55 and 89,810.17

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Solution

The fourth proportional to 216,157.15, 324,247.55 and 89,810.17 is: 134,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,157.15 : 324,247.55 = 89,810.17 : x
  2. Step 2: Convert to fraction form
    216,157.15/324,247.55 = 89,810.17/x
  3. Step 3: Cross multiply
    216,157.15x = 324,247.55 × 89,810.17
  4. Step 4: Simplify right side
    216,157.15x = 29,120,728,301.62
  5. Step 5: Solve for x
    x = 29,120,728,301.62/216,157.15
  6. Step 6: Final answer
    x = 134,720.17

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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.