Home / 75,224.16-112,864.32-40,144.32

Finding the Fourth Proportional to 75,224.16, 112,864.32 and 40,144.32

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Solution

The fourth proportional to 75,224.16, 112,864.32 and 40,144.32 is: 60,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,224.16 : 112,864.32 = 40,144.32 : x
  2. Step 2: Convert to fraction form
    75,224.16/112,864.32 = 40,144.32/x
  3. Step 3: Cross multiply
    75,224.16x = 112,864.32 × 40,144.32
  4. Step 4: Simplify right side
    75,224.16x = 4,530,861,378.66
  5. Step 5: Solve for x
    x = 4,530,861,378.66/75,224.16
  6. Step 6: Final answer
    x = 60,231.47

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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.