Home / 216,051.24-324,109.26-75,785.16

Finding the Fourth Proportional to 216,051.24, 324,109.26 and 75,785.16

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Solution

The fourth proportional to 216,051.24, 324,109.26 and 75,785.16 is: 113,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,051.24 : 324,109.26 = 75,785.16 : x
  2. Step 2: Convert to fraction form
    216,051.24/324,109.26 = 75,785.16/x
  3. Step 3: Cross multiply
    216,051.24x = 324,109.26 × 75,785.16
  4. Step 4: Simplify right side
    216,051.24x = 24,562,672,126.58
  5. Step 5: Solve for x
    x = 24,562,672,126.58/216,051.24
  6. Step 6: Final answer
    x = 113,689.11

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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.