Home / 123,306.51-170,145.91-68,852.03

Finding the Fourth Proportional to 123,306.51, 170,145.91 and 68,852.03

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Solution

The fourth proportional to 123,306.51, 170,145.91 and 68,852.03 is: 95,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,306.51 : 170,145.91 = 68,852.03 : x
  2. Step 2: Convert to fraction form
    123,306.51/170,145.91 = 68,852.03/x
  3. Step 3: Cross multiply
    123,306.51x = 170,145.91 × 68,852.03
  4. Step 4: Simplify right side
    123,306.51x = 11,714,891,299.70
  5. Step 5: Solve for x
    x = 11,714,891,299.70/123,306.51
  6. Step 6: Final answer
    x = 95,006.27

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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.