Home / 250,087.61-345,120.88-136,910.36

Finding the Fourth Proportional to 250,087.61, 345,120.88 and 136,910.36

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Solution

The fourth proportional to 250,087.61, 345,120.88 and 136,910.36 is: 188,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,087.61 : 345,120.88 = 136,910.36 : x
  2. Step 2: Convert to fraction form
    250,087.61/345,120.88 = 136,910.36/x
  3. Step 3: Cross multiply
    250,087.61x = 345,120.88 × 136,910.36
  4. Step 4: Simplify right side
    250,087.61x = 47,250,623,924.32
  5. Step 5: Solve for x
    x = 47,250,623,924.32/250,087.61
  6. Step 6: Final answer
    x = 188,936.28

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1.5x scale

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.