Home / 260,941.81-360,099.70-147,786.43

Finding the Fourth Proportional to 260,941.81, 360,099.70 and 147,786.43

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Solution

The fourth proportional to 260,941.81, 360,099.70 and 147,786.43 is: 203,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,941.81 : 360,099.70 = 147,786.43 : x
  2. Step 2: Convert to fraction form
    260,941.81/360,099.70 = 147,786.43/x
  3. Step 3: Cross multiply
    260,941.81x = 360,099.70 × 147,786.43
  4. Step 4: Simplify right side
    260,941.81x = 53,217,849,107.07
  5. Step 5: Solve for x
    x = 53,217,849,107.07/260,941.81
  6. Step 6: Final answer
    x = 203,945.27

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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.