Home / 225,764.50-311,564.73-125,162.50

Finding the Fourth Proportional to 225,764.50, 311,564.73 and 125,162.50

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Solution

The fourth proportional to 225,764.50, 311,564.73 and 125,162.50 is: 172,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,764.50 : 311,564.73 = 125,162.50 : x
  2. Step 2: Convert to fraction form
    225,764.50/311,564.73 = 125,162.50/x
  3. Step 3: Cross multiply
    225,764.50x = 311,564.73 × 125,162.50
  4. Step 4: Simplify right side
    225,764.50x = 38,996,220,518.63
  5. Step 5: Solve for x
    x = 38,996,220,518.63/225,764.50
  6. Step 6: Final answer
    x = 172,729.64

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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.