Home / 203,256.01-305,071.17-103,487.50

Finding the Fourth Proportional to 203,256.01, 305,071.17 and 103,487.50

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Solution

The fourth proportional to 203,256.01, 305,071.17 and 103,487.50 is: 155,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,256.01 : 305,071.17 = 103,487.50 : x
  2. Step 2: Convert to fraction form
    203,256.01/305,071.17 = 103,487.50/x
  3. Step 3: Cross multiply
    203,256.01x = 305,071.17 × 103,487.50
  4. Step 4: Simplify right side
    203,256.01x = 31,571,052,705.38
  5. Step 5: Solve for x
    x = 31,571,052,705.38/203,256.01
  6. Step 6: Final answer
    x = 155,326.54

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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.