Home / 223,059.08-307,817.70-122,456.36

Finding the Fourth Proportional to 223,059.08, 307,817.70 and 122,456.36

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Solution

The fourth proportional to 223,059.08, 307,817.70 and 122,456.36 is: 168,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,059.08 : 307,817.70 = 122,456.36 : x
  2. Step 2: Convert to fraction form
    223,059.08/307,817.70 = 122,456.36/x
  3. Step 3: Cross multiply
    223,059.08x = 307,817.70 × 122,456.36
  4. Step 4: Simplify right side
    223,059.08x = 37,694,235,085.57
  5. Step 5: Solve for x
    x = 37,694,235,085.57/223,059.08
  6. Step 6: Final answer
    x = 168,987.67

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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.