Home / 250,021.08-345,015.86-136,821.96

Finding the Fourth Proportional to 250,021.08, 345,015.86 and 136,821.96

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Solution

The fourth proportional to 250,021.08, 345,015.86 and 136,821.96 is: 188,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,021.08 : 345,015.86 = 136,821.96 : x
  2. Step 2: Convert to fraction form
    250,021.08/345,015.86 = 136,821.96/x
  3. Step 3: Cross multiply
    250,021.08x = 345,015.86 × 136,821.96
  4. Step 4: Simplify right side
    250,021.08x = 47,205,745,512.18
  5. Step 5: Solve for x
    x = 47,205,745,512.18/250,021.08
  6. Step 6: Final answer
    x = 188,807.06

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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.