Home / 130,817.70-196,300.26-74,622.87

Finding the Fourth Proportional to 130,817.70, 196,300.26 and 74,622.87

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Solution

The fourth proportional to 130,817.70, 196,300.26 and 74,622.87 is: 111,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,817.70 : 196,300.26 = 74,622.87 : x
  2. Step 2: Convert to fraction form
    130,817.70/196,300.26 = 74,622.87/x
  3. Step 3: Cross multiply
    130,817.70x = 196,300.26 × 74,622.87
  4. Step 4: Simplify right side
    130,817.70x = 14,648,488,782.95
  5. Step 5: Solve for x
    x = 14,648,488,782.95/130,817.70
  6. Step 6: Final answer
    x = 111,976.35

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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.