Home / 130,115.70-195,246.45-55,223.10

Finding the Fourth Proportional to 130,115.70, 195,246.45 and 55,223.10

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Solution

The fourth proportional to 130,115.70, 195,246.45 and 55,223.10 is: 82,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,115.70 : 195,246.45 = 55,223.10 : x
  2. Step 2: Convert to fraction form
    130,115.70/195,246.45 = 55,223.10/x
  3. Step 3: Cross multiply
    130,115.70x = 195,246.45 × 55,223.10
  4. Step 4: Simplify right side
    130,115.70x = 10,782,114,233.00
  5. Step 5: Solve for x
    x = 10,782,114,233.00/130,115.70
  6. Step 6: Final answer
    x = 82,865.59

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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.