Home / 325,285.23-487,806.50-111,992.90

Finding the Fourth Proportional to 325,285.23, 487,806.50 and 111,992.90

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Solution

The fourth proportional to 325,285.23, 487,806.50 and 111,992.90 is: 167,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,285.23 : 487,806.50 = 111,992.90 : x
  2. Step 2: Convert to fraction form
    325,285.23/487,806.50 = 111,992.90/x
  3. Step 3: Cross multiply
    325,285.23x = 487,806.50 × 111,992.90
  4. Step 4: Simplify right side
    325,285.23x = 54,630,862,134.82
  5. Step 5: Solve for x
    x = 54,630,862,134.82/325,285.23
  6. Step 6: Final answer
    x = 167,947.56

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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.