Home / 131,728.48-197,593.20-31,888.49

Finding the Fourth Proportional to 131,728.48, 197,593.20 and 31,888.49

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Solution

The fourth proportional to 131,728.48, 197,593.20 and 31,888.49 is: 47,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,728.48 : 197,593.20 = 31,888.49 : x
  2. Step 2: Convert to fraction form
    131,728.48/197,593.20 = 31,888.49/x
  3. Step 3: Cross multiply
    131,728.48x = 197,593.20 × 31,888.49
  4. Step 4: Simplify right side
    131,728.48x = 6,300,947,794.30
  5. Step 5: Solve for x
    x = 6,300,947,794.30/131,728.48
  6. Step 6: Final answer
    x = 47,832.84

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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.