Home / 216,855.08-325,317.18-67,089.32

Finding the Fourth Proportional to 216,855.08, 325,317.18 and 67,089.32

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Solution

The fourth proportional to 216,855.08, 325,317.18 and 67,089.32 is: 100,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,855.08 : 325,317.18 = 67,089.32 : x
  2. Step 2: Convert to fraction form
    216,855.08/325,317.18 = 67,089.32/x
  3. Step 3: Cross multiply
    216,855.08x = 325,317.18 × 67,089.32
  4. Step 4: Simplify right side
    216,855.08x = 21,825,308,390.52
  5. Step 5: Solve for x
    x = 21,825,308,390.52/216,855.08
  6. Step 6: Final answer
    x = 100,644.67

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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.