Home / 107,977.41-148,999.48-69,738.62

Finding the Fourth Proportional to 107,977.41, 148,999.48 and 69,738.62

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Solution

The fourth proportional to 107,977.41, 148,999.48 and 69,738.62 is: 96,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,977.41 : 148,999.48 = 69,738.62 : x
  2. Step 2: Convert to fraction form
    107,977.41/148,999.48 = 69,738.62/x
  3. Step 3: Cross multiply
    107,977.41x = 148,999.48 × 69,738.62
  4. Step 4: Simplify right side
    107,977.41x = 10,391,018,314.07
  5. Step 5: Solve for x
    x = 10,391,018,314.07/107,977.41
  6. Step 6: Final answer
    x = 96,233.26

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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.