Home / 128,467.52-192,705.51-44,226.81

Finding the Fourth Proportional to 128,467.52, 192,705.51 and 44,226.81

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Solution

The fourth proportional to 128,467.52, 192,705.51 and 44,226.81 is: 66,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,467.52 : 192,705.51 = 44,226.81 : x
  2. Step 2: Convert to fraction form
    128,467.52/192,705.51 = 44,226.81/x
  3. Step 3: Cross multiply
    128,467.52x = 192,705.51 × 44,226.81
  4. Step 4: Simplify right side
    128,467.52x = 8,522,750,142.57
  5. Step 5: Solve for x
    x = 8,522,750,142.57/128,467.52
  6. Step 6: Final answer
    x = 66,341.67

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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.