Home / 259,121.23-388,714.65-101,329.18

Finding the Fourth Proportional to 259,121.23, 388,714.65 and 101,329.18

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Solution

The fourth proportional to 259,121.23, 388,714.65 and 101,329.18 is: 152,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,121.23 : 388,714.65 = 101,329.18 : x
  2. Step 2: Convert to fraction form
    259,121.23/388,714.65 = 101,329.18/x
  3. Step 3: Cross multiply
    259,121.23x = 388,714.65 × 101,329.18
  4. Step 4: Simplify right side
    259,121.23x = 39,388,135,386.72
  5. Step 5: Solve for x
    x = 39,388,135,386.72/259,121.23
  6. Step 6: Final answer
    x = 152,006.59

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1.5x scale

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.