Home / 106,406.40-159,417.60-61,996.80

Finding the Fourth Proportional to 106,406.40, 159,417.60 and 61,996.80

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Solution

The fourth proportional to 106,406.40, 159,417.60 and 61,996.80 is: 92,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,406.40 : 159,417.60 = 61,996.80 : x
  2. Step 2: Convert to fraction form
    106,406.40/159,417.60 = 61,996.80/x
  3. Step 3: Cross multiply
    106,406.40x = 159,417.60 × 61,996.80
  4. Step 4: Simplify right side
    106,406.40x = 9,883,381,063.68
  5. Step 5: Solve for x
    x = 9,883,381,063.68/106,406.40
  6. Step 6: Final answer
    x = 92,883.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.