Home / 250,018.62-345,025.70-136,841.38

Finding the Fourth Proportional to 250,018.62, 345,025.70 and 136,841.38

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Solution

The fourth proportional to 250,018.62, 345,025.70 and 136,841.38 is: 188,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,018.62 : 345,025.70 = 136,841.38 : x
  2. Step 2: Convert to fraction form
    250,018.62/345,025.70 = 136,841.38/x
  3. Step 3: Cross multiply
    250,018.62x = 345,025.70 × 136,841.38
  4. Step 4: Simplify right side
    250,018.62x = 47,213,792,923.47
  5. Step 5: Solve for x
    x = 47,213,792,923.47/250,018.62
  6. Step 6: Final answer
    x = 188,841.11

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1.5x scale

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.