Home / 226,575.09-312,697.52-129,786.67

Finding the Fourth Proportional to 226,575.09, 312,697.52 and 129,786.67

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Solution

The fourth proportional to 226,575.09, 312,697.52 and 129,786.67 is: 179,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,575.09 : 312,697.52 = 129,786.67 : x
  2. Step 2: Convert to fraction form
    226,575.09/312,697.52 = 129,786.67/x
  3. Step 3: Cross multiply
    226,575.09x = 312,697.52 × 129,786.67
  4. Step 4: Simplify right side
    226,575.09x = 40,583,969,838.06
  5. Step 5: Solve for x
    x = 40,583,969,838.06/226,575.09
  6. Step 6: Final answer
    x = 179,119.29

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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.