Home / 107,902.41-148,918.76-61,976.45

Finding the Fourth Proportional to 107,902.41, 148,918.76 and 61,976.45

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Solution

The fourth proportional to 107,902.41, 148,918.76 and 61,976.45 is: 85,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,902.41 : 148,918.76 = 61,976.45 : x
  2. Step 2: Convert to fraction form
    107,902.41/148,918.76 = 61,976.45/x
  3. Step 3: Cross multiply
    107,902.41x = 148,918.76 × 61,976.45
  4. Step 4: Simplify right side
    107,902.41x = 9,229,455,028.73
  5. Step 5: Solve for x
    x = 9,229,455,028.73/107,902.41
  6. Step 6: Final answer
    x = 85,535.21

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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.