Home / 154,131.96-212,608.62-106,300.92

Finding the Fourth Proportional to 154,131.96, 212,608.62 and 106,300.92

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Solution

The fourth proportional to 154,131.96, 212,608.62 and 106,300.92 is: 146,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,131.96 : 212,608.62 = 106,300.92 : x
  2. Step 2: Convert to fraction form
    154,131.96/212,608.62 = 106,300.92/x
  3. Step 3: Cross multiply
    154,131.96x = 212,608.62 × 106,300.92
  4. Step 4: Simplify right side
    154,131.96x = 22,600,491,905.93
  5. Step 5: Solve for x
    x = 22,600,491,905.93/154,131.96
  6. Step 6: Final answer
    x = 146,630.80

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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.