Home / 250,212.64-345,207.66-142,705.36

Finding the Fourth Proportional to 250,212.64, 345,207.66 and 142,705.36

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Solution

The fourth proportional to 250,212.64, 345,207.66 and 142,705.36 is: 196,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,212.64 : 345,207.66 = 142,705.36 : x
  2. Step 2: Convert to fraction form
    250,212.64/345,207.66 = 142,705.36/x
  3. Step 3: Cross multiply
    250,212.64x = 345,207.66 × 142,705.36
  4. Step 4: Simplify right side
    250,212.64x = 49,262,983,395.06
  5. Step 5: Solve for x
    x = 49,262,983,395.06/250,212.64
  6. Step 6: Final answer
    x = 196,884.47

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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.