Home / 251,150.50-346,587.83-137,980.54

Finding the Fourth Proportional to 251,150.50, 346,587.83 and 137,980.54

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Solution

The fourth proportional to 251,150.50, 346,587.83 and 137,980.54 is: 190,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,150.50 : 346,587.83 = 137,980.54 : x
  2. Step 2: Convert to fraction form
    251,150.50/346,587.83 = 137,980.54/x
  3. Step 3: Cross multiply
    251,150.50x = 346,587.83 × 137,980.54
  4. Step 4: Simplify right side
    251,150.50x = 47,822,375,940.83
  5. Step 5: Solve for x
    x = 47,822,375,940.83/251,150.50
  6. Step 6: Final answer
    x = 190,413.22

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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.