Home / 97,975.20-146,809.20-84,765.60

Finding the Fourth Proportional to 97,975.20, 146,809.20 and 84,765.60

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Solution

The fourth proportional to 97,975.20, 146,809.20 and 84,765.60 is: 127,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,975.20 : 146,809.20 = 84,765.60 : x
  2. Step 2: Convert to fraction form
    97,975.20/146,809.20 = 84,765.60/x
  3. Step 3: Cross multiply
    97,975.20x = 146,809.20 × 84,765.60
  4. Step 4: Simplify right side
    97,975.20x = 12,444,369,923.52
  5. Step 5: Solve for x
    x = 12,444,369,923.52/97,975.20
  6. Step 6: Final answer
    x = 127,015.51

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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.