Home / 130,939.75-196,420.93-36,169.90

Finding the Fourth Proportional to 130,939.75, 196,420.93 and 36,169.90

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Solution

The fourth proportional to 130,939.75, 196,420.93 and 36,169.90 is: 54,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,939.75 : 196,420.93 = 36,169.90 : x
  2. Step 2: Convert to fraction form
    130,939.75/196,420.93 = 36,169.90/x
  3. Step 3: Cross multiply
    130,939.75x = 196,420.93 × 36,169.90
  4. Step 4: Simplify right side
    130,939.75x = 7,104,525,017.99
  5. Step 5: Solve for x
    x = 7,104,525,017.99/130,939.75
  6. Step 6: Final answer
    x = 54,257.97

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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.