Home / 250,148.22-345,204.63-136,977.90

Finding the Fourth Proportional to 250,148.22, 345,204.63 and 136,977.90

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Solution

The fourth proportional to 250,148.22, 345,204.63 and 136,977.90 is: 189,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,148.22 : 345,204.63 = 136,977.90 : x
  2. Step 2: Convert to fraction form
    250,148.22/345,204.63 = 136,977.90/x
  3. Step 3: Cross multiply
    250,148.22x = 345,204.63 × 136,977.90
  4. Step 4: Simplify right side
    250,148.22x = 47,285,405,287.68
  5. Step 5: Solve for x
    x = 47,285,405,287.68/250,148.22
  6. Step 6: Final answer
    x = 189,029.55

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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.