Home / 130,766.37-196,120.40-51,859.41

Finding the Fourth Proportional to 130,766.37, 196,120.40 and 51,859.41

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Solution

The fourth proportional to 130,766.37, 196,120.40 and 51,859.41 is: 77,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,766.37 : 196,120.40 = 51,859.41 : x
  2. Step 2: Convert to fraction form
    130,766.37/196,120.40 = 51,859.41/x
  3. Step 3: Cross multiply
    130,766.37x = 196,120.40 × 51,859.41
  4. Step 4: Simplify right side
    130,766.37x = 10,170,687,973.67
  5. Step 5: Solve for x
    x = 10,170,687,973.67/130,766.37
  6. Step 6: Final answer
    x = 77,777.55

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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.