Home / 190,262.67-262,548.03-105,377.91

Finding the Fourth Proportional to 190,262.67, 262,548.03 and 105,377.91

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Solution

The fourth proportional to 190,262.67, 262,548.03 and 105,377.91 is: 145,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,262.67 : 262,548.03 = 105,377.91 : x
  2. Step 2: Convert to fraction form
    190,262.67/262,548.03 = 105,377.91/x
  3. Step 3: Cross multiply
    190,262.67x = 262,548.03 × 105,377.91
  4. Step 4: Simplify right side
    190,262.67x = 27,666,762,676.02
  5. Step 5: Solve for x
    x = 27,666,762,676.02/190,262.67
  6. Step 6: Final answer
    x = 145,413.51

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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.