Home / 146,168.20-201,712.74-79,100.20

Finding the Fourth Proportional to 146,168.20, 201,712.74 and 79,100.20

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Solution

The fourth proportional to 146,168.20, 201,712.74 and 79,100.20 is: 109,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,168.20 : 201,712.74 = 79,100.20 : x
  2. Step 2: Convert to fraction form
    146,168.20/201,712.74 = 79,100.20/x
  3. Step 3: Cross multiply
    146,168.20x = 201,712.74 × 79,100.20
  4. Step 4: Simplify right side
    146,168.20x = 15,955,518,076.55
  5. Step 5: Solve for x
    x = 15,955,518,076.55/146,168.20
  6. Step 6: Final answer
    x = 109,158.61

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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.