Home / 151,938.09-227,946.74-85,427.37

Finding the Fourth Proportional to 151,938.09, 227,946.74 and 85,427.37

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Solution

The fourth proportional to 151,938.09, 227,946.74 and 85,427.37 is: 128,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,938.09 : 227,946.74 = 85,427.37 : x
  2. Step 2: Convert to fraction form
    151,938.09/227,946.74 = 85,427.37/x
  3. Step 3: Cross multiply
    151,938.09x = 227,946.74 × 85,427.37
  4. Step 4: Simplify right side
    151,938.09x = 19,472,890,071.14
  5. Step 5: Solve for x
    x = 19,472,890,071.14/151,938.09
  6. Step 6: Final answer
    x = 128,163.32

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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.