Home / 123,970.26-171,071.72-67,381.14

Finding the Fourth Proportional to 123,970.26, 171,071.72 and 67,381.14

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Solution

The fourth proportional to 123,970.26, 171,071.72 and 67,381.14 is: 92,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,970.26 : 171,071.72 = 67,381.14 : x
  2. Step 2: Convert to fraction form
    123,970.26/171,071.72 = 67,381.14/x
  3. Step 3: Cross multiply
    123,970.26x = 171,071.72 × 67,381.14
  4. Step 4: Simplify right side
    123,970.26x = 11,527,007,515.36
  5. Step 5: Solve for x
    x = 11,527,007,515.36/123,970.26
  6. Step 6: Final answer
    x = 92,982.04

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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.