Home / 146,128.36-201,657.18-82,479.64

Finding the Fourth Proportional to 146,128.36, 201,657.18 and 82,479.64

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Solution

The fourth proportional to 146,128.36, 201,657.18 and 82,479.64 is: 113,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,128.36 : 201,657.18 = 82,479.64 : x
  2. Step 2: Convert to fraction form
    146,128.36/201,657.18 = 82,479.64/x
  3. Step 3: Cross multiply
    146,128.36x = 201,657.18 × 82,479.64
  4. Step 4: Simplify right side
    146,128.36x = 16,632,611,609.82
  5. Step 5: Solve for x
    x = 16,632,611,609.82/146,128.36
  6. Step 6: Final answer
    x = 113,821.93

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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.