Home / 190,046.86-262,270.11-105,171.82

Finding the Fourth Proportional to 190,046.86, 262,270.11 and 105,171.82

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Solution

The fourth proportional to 190,046.86, 262,270.11 and 105,171.82 is: 145,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,046.86 : 262,270.11 = 105,171.82 : x
  2. Step 2: Convert to fraction form
    190,046.86/262,270.11 = 105,171.82/x
  3. Step 3: Cross multiply
    190,046.86x = 262,270.11 × 105,171.82
  4. Step 4: Simplify right side
    190,046.86x = 27,583,424,800.30
  5. Step 5: Solve for x
    x = 27,583,424,800.30/190,046.86
  6. Step 6: Final answer
    x = 145,140.12

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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.