Home / 143,293.19-214,736.09-105,556.50

Finding the Fourth Proportional to 143,293.19, 214,736.09 and 105,556.50

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Solution

The fourth proportional to 143,293.19, 214,736.09 and 105,556.50 is: 158,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,293.19 : 214,736.09 = 105,556.50 : x
  2. Step 2: Convert to fraction form
    143,293.19/214,736.09 = 105,556.50/x
  3. Step 3: Cross multiply
    143,293.19x = 214,736.09 × 105,556.50
  4. Step 4: Simplify right side
    143,293.19x = 22,666,789,556.30
  5. Step 5: Solve for x
    x = 22,666,789,556.30/143,293.19
  6. Step 6: Final answer
    x = 158,184.70

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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.