Home / 250,081.98-345,113.15-136,904.73

Finding the Fourth Proportional to 250,081.98, 345,113.15 and 136,904.73

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Solution

The fourth proportional to 250,081.98, 345,113.15 and 136,904.73 is: 188,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,081.98 : 345,113.15 = 136,904.73 : x
  2. Step 2: Convert to fraction form
    250,081.98/345,113.15 = 136,904.73/x
  3. Step 3: Cross multiply
    250,081.98x = 345,113.15 × 136,904.73
  4. Step 4: Simplify right side
    250,081.98x = 47,247,621,935.68
  5. Step 5: Solve for x
    x = 47,247,621,935.68/250,081.98
  6. Step 6: Final answer
    x = 188,928.53

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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.