Home / 250,705.10-345,996.72-143,254.32

Finding the Fourth Proportional to 250,705.10, 345,996.72 and 143,254.32

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Solution

The fourth proportional to 250,705.10, 345,996.72 and 143,254.32 is: 197,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,705.10 : 345,996.72 = 143,254.32 : x
  2. Step 2: Convert to fraction form
    250,705.10/345,996.72 = 143,254.32/x
  3. Step 3: Cross multiply
    250,705.10x = 345,996.72 × 143,254.32
  4. Step 4: Simplify right side
    250,705.10x = 49,565,524,845.83
  5. Step 5: Solve for x
    x = 49,565,524,845.83/250,705.10
  6. Step 6: Final answer
    x = 197,704.49

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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.