Home / 131,739.29-197,618.93-51,738.66

Finding the Fourth Proportional to 131,739.29, 197,618.93 and 51,738.66

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Solution

The fourth proportional to 131,739.29, 197,618.93 and 51,738.66 is: 77,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739.29 : 197,618.93 = 51,738.66 : x
  2. Step 2: Convert to fraction form
    131,739.29/197,618.93 = 51,738.66/x
  3. Step 3: Cross multiply
    131,739.29x = 197,618.93 × 51,738.66
  4. Step 4: Simplify right side
    131,739.29x = 10,224,538,628.83
  5. Step 5: Solve for x
    x = 10,224,538,628.83/131,739.29
  6. Step 6: Final answer
    x = 77,611.92

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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.