Home / 154,975.40-232,241.70-88,274.60

Finding the Fourth Proportional to 154,975.40, 232,241.70 and 88,274.60

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Solution

The fourth proportional to 154,975.40, 232,241.70 and 88,274.60 is: 132,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,975.40 : 232,241.70 = 88,274.60 : x
  2. Step 2: Convert to fraction form
    154,975.40/232,241.70 = 88,274.60/x
  3. Step 3: Cross multiply
    154,975.40x = 232,241.70 × 88,274.60
  4. Step 4: Simplify right side
    154,975.40x = 20,501,043,170.82
  5. Step 5: Solve for x
    x = 20,501,043,170.82/154,975.40
  6. Step 6: Final answer
    x = 132,285.79

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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.