Home / 226,190.79-312,105.87-130,706.37

Finding the Fourth Proportional to 226,190.79, 312,105.87 and 130,706.37

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Solution

The fourth proportional to 226,190.79, 312,105.87 and 130,706.37 is: 180,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,190.79 : 312,105.87 = 130,706.37 : x
  2. Step 2: Convert to fraction form
    226,190.79/312,105.87 = 130,706.37/x
  3. Step 3: Cross multiply
    226,190.79x = 312,105.87 × 130,706.37
  4. Step 4: Simplify right side
    226,190.79x = 40,794,225,323.39
  5. Step 5: Solve for x
    x = 40,794,225,323.39/226,190.79
  6. Step 6: Final answer
    x = 180,353.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.