Home / 151,858.17-228,021.37-128,473.00

Finding the Fourth Proportional to 151,858.17, 228,021.37 and 128,473.00

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Solution

The fourth proportional to 151,858.17, 228,021.37 and 128,473.00 is: 192,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,858.17 : 228,021.37 = 128,473.00 : x
  2. Step 2: Convert to fraction form
    151,858.17/228,021.37 = 128,473.00/x
  3. Step 3: Cross multiply
    151,858.17x = 228,021.37 × 128,473.00
  4. Step 4: Simplify right side
    151,858.17x = 29,294,588,576.77
  5. Step 5: Solve for x
    x = 29,294,588,576.77/151,858.17
  6. Step 6: Final answer
    x = 192,907.56

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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.