Home / 203,625.06-305,364.40-70,469.16

Finding the Fourth Proportional to 203,625.06, 305,364.40 and 70,469.16

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Solution

The fourth proportional to 203,625.06, 305,364.40 and 70,469.16 is: 105,678.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,625.06 : 305,364.40 = 70,469.16 : x
  2. Step 2: Convert to fraction form
    203,625.06/305,364.40 = 70,469.16/x
  3. Step 3: Cross multiply
    203,625.06x = 305,364.40 × 70,469.16
  4. Step 4: Simplify right side
    203,625.06x = 21,518,772,761.90
  5. Step 5: Solve for x
    x = 21,518,772,761.90/203,625.06
  6. Step 6: Final answer
    x = 105,678.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.