Home / 226,662.41-312,792.39-124,685.67

Finding the Fourth Proportional to 226,662.41, 312,792.39 and 124,685.67

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Solution

The fourth proportional to 226,662.41, 312,792.39 and 124,685.67 is: 172,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,662.41 : 312,792.39 = 124,685.67 : x
  2. Step 2: Convert to fraction form
    226,662.41/312,792.39 = 124,685.67/x
  3. Step 3: Cross multiply
    226,662.41x = 312,792.39 × 124,685.67
  4. Step 4: Simplify right side
    226,662.41x = 39,000,728,718.05
  5. Step 5: Solve for x
    x = 39,000,728,718.05/226,662.41
  6. Step 6: Final answer
    x = 172,065.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.