Home / 81,718.42-122,464.23-37,236.46

Finding the Fourth Proportional to 81,718.42, 122,464.23 and 37,236.46

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Solution

The fourth proportional to 81,718.42, 122,464.23 and 37,236.46 is: 55,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,718.42 : 122,464.23 = 37,236.46 : x
  2. Step 2: Convert to fraction form
    81,718.42/122,464.23 = 37,236.46/x
  3. Step 3: Cross multiply
    81,718.42x = 122,464.23 × 37,236.46
  4. Step 4: Simplify right side
    81,718.42x = 4,560,134,401.83
  5. Step 5: Solve for x
    x = 4,560,134,401.83/81,718.42
  6. Step 6: Final answer
    x = 55,803.02

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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.