Home / 250,834.64-346,148.37-137,657.39

Finding the Fourth Proportional to 250,834.64, 346,148.37 and 137,657.39

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Solution

The fourth proportional to 250,834.64, 346,148.37 and 137,657.39 is: 189,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,834.64 : 346,148.37 = 137,657.39 : x
  2. Step 2: Convert to fraction form
    250,834.64/346,148.37 = 137,657.39/x
  3. Step 3: Cross multiply
    250,834.64x = 346,148.37 × 137,657.39
  4. Step 4: Simplify right side
    250,834.64x = 47,649,879,436.21
  5. Step 5: Solve for x
    x = 47,649,879,436.21/250,834.64
  6. Step 6: Final answer
    x = 189,965.31

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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.