Home / 130,477.41-195,762.75-80,499.33

Finding the Fourth Proportional to 130,477.41, 195,762.75 and 80,499.33

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Solution

The fourth proportional to 130,477.41, 195,762.75 and 80,499.33 is: 120,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,477.41 : 195,762.75 = 80,499.33 : x
  2. Step 2: Convert to fraction form
    130,477.41/195,762.75 = 80,499.33/x
  3. Step 3: Cross multiply
    130,477.41x = 195,762.75 × 80,499.33
  4. Step 4: Simplify right side
    130,477.41x = 15,758,770,213.96
  5. Step 5: Solve for x
    x = 15,758,770,213.96/130,477.41
  6. Step 6: Final answer
    x = 120,777.77

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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.