Home / 123,317.35-170,192.30-102,584.22

Finding the Fourth Proportional to 123,317.35, 170,192.30 and 102,584.22

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Solution

The fourth proportional to 123,317.35, 170,192.30 and 102,584.22 is: 141,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,317.35 : 170,192.30 = 102,584.22 : x
  2. Step 2: Convert to fraction form
    123,317.35/170,192.30 = 102,584.22/x
  3. Step 3: Cross multiply
    123,317.35x = 170,192.30 × 102,584.22
  4. Step 4: Simplify right side
    123,317.35x = 17,459,044,872.99
  5. Step 5: Solve for x
    x = 17,459,044,872.99/123,317.35
  6. Step 6: Final answer
    x = 141,578.17

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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.