Home / 151,172.40-226,564.20-91,945.20

Finding the Fourth Proportional to 151,172.40, 226,564.20 and 91,945.20

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Solution

The fourth proportional to 151,172.40, 226,564.20 and 91,945.20 is: 137,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,172.40 : 226,564.20 = 91,945.20 : x
  2. Step 2: Convert to fraction form
    151,172.40/226,564.20 = 91,945.20/x
  3. Step 3: Cross multiply
    151,172.40x = 226,564.20 × 91,945.20
  4. Step 4: Simplify right side
    151,172.40x = 20,831,490,681.84
  5. Step 5: Solve for x
    x = 20,831,490,681.84/151,172.40
  6. Step 6: Final answer
    x = 137,799.56

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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.