Home / 143,292.87-214,735.61-105,556.18

Finding the Fourth Proportional to 143,292.87, 214,735.61 and 105,556.18

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Solution

The fourth proportional to 143,292.87, 214,735.61 and 105,556.18 is: 158,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,292.87 : 214,735.61 = 105,556.18 : x
  2. Step 2: Convert to fraction form
    143,292.87/214,735.61 = 105,556.18/x
  3. Step 3: Cross multiply
    143,292.87x = 214,735.61 × 105,556.18
  4. Step 4: Simplify right side
    143,292.87x = 22,666,670,701.57
  5. Step 5: Solve for x
    x = 22,666,670,701.57/143,292.87
  6. Step 6: Final answer
    x = 158,184.22

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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.