Home / 106,554.27-159,679.13-78,252.33

Finding the Fourth Proportional to 106,554.27, 159,679.13 and 78,252.33

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Solution

The fourth proportional to 106,554.27, 159,679.13 and 78,252.33 is: 117,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,554.27 : 159,679.13 = 78,252.33 : x
  2. Step 2: Convert to fraction form
    106,554.27/159,679.13 = 78,252.33/x
  3. Step 3: Cross multiply
    106,554.27x = 159,679.13 × 78,252.33
  4. Step 4: Simplify right side
    106,554.27x = 12,495,263,583.61
  5. Step 5: Solve for x
    x = 12,495,263,583.61/106,554.27
  6. Step 6: Final answer
    x = 117,266.66

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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.