Home / 131,523.08-197,712.30-105,512.36

Finding the Fourth Proportional to 131,523.08, 197,712.30 and 105,512.36

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Solution

The fourth proportional to 131,523.08, 197,712.30 and 105,512.36 is: 158,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,523.08 : 197,712.30 = 105,512.36 : x
  2. Step 2: Convert to fraction form
    131,523.08/197,712.30 = 105,512.36/x
  3. Step 3: Cross multiply
    131,523.08x = 197,712.30 × 105,512.36
  4. Step 4: Simplify right side
    131,523.08x = 20,861,091,374.03
  5. Step 5: Solve for x
    x = 20,861,091,374.03/131,523.08
  6. Step 6: Final answer
    x = 158,611.64

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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.