Home / 190,124.86-262,372.31-105,241.92

Finding the Fourth Proportional to 190,124.86, 262,372.31 and 105,241.92

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Solution

The fourth proportional to 190,124.86, 262,372.31 and 105,241.92 is: 145,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,124.86 : 262,372.31 = 105,241.92 : x
  2. Step 2: Convert to fraction form
    190,124.86/262,372.31 = 105,241.92/x
  3. Step 3: Cross multiply
    190,124.86x = 262,372.31 × 105,241.92
  4. Step 4: Simplify right side
    190,124.86x = 27,612,565,133.03
  5. Step 5: Solve for x
    x = 27,612,565,133.03/190,124.86
  6. Step 6: Final answer
    x = 145,233.85

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1.5x scale

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.