Home / 131,738.74-197,608.61-31,898.79

Finding the Fourth Proportional to 131,738.74, 197,608.61 and 31,898.79

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Solution

The fourth proportional to 131,738.74, 197,608.61 and 31,898.79 is: 47,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.74 : 197,608.61 = 31,898.79 : x
  2. Step 2: Convert to fraction form
    131,738.74/197,608.61 = 31,898.79/x
  3. Step 3: Cross multiply
    131,738.74x = 197,608.61 × 31,898.79
  4. Step 4: Simplify right side
    131,738.74x = 6,303,475,632.33
  5. Step 5: Solve for x
    x = 6,303,475,632.33/131,738.74
  6. Step 6: Final answer
    x = 47,848.31

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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.