Home / 100,670.43-151,122.30-54,014.43

Finding the Fourth Proportional to 100,670.43, 151,122.30 and 54,014.43

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Solution

The fourth proportional to 100,670.43, 151,122.30 and 54,014.43 is: 81,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,670.43 : 151,122.30 = 54,014.43 : x
  2. Step 2: Convert to fraction form
    100,670.43/151,122.30 = 54,014.43/x
  3. Step 3: Cross multiply
    100,670.43x = 151,122.30 × 54,014.43
  4. Step 4: Simplify right side
    100,670.43x = 8,162,784,894.79
  5. Step 5: Solve for x
    x = 8,162,784,894.79/100,670.43
  6. Step 6: Final answer
    x = 81,084.24

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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.