Home / 190,572.24-262,998-105,683.52

Finding the Fourth Proportional to 190,572.24, 262,998 and 105,683.52

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Solution

The fourth proportional to 190,572.24, 262,998 and 105,683.52 is: 145,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,572.24 : 262,998 = 105,683.52 : x
  2. Step 2: Convert to fraction form
    190,572.24/262,998 = 105,683.52/x
  3. Step 3: Cross multiply
    190,572.24x = 262,998 × 105,683.52
  4. Step 4: Simplify right side
    190,572.24x = 27,794,554,392.96
  5. Step 5: Solve for x
    x = 27,794,554,392.96/190,572.24
  6. Step 6: Final answer
    x = 145,847.87

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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.