Home / 97,743.20-146,506.80-38,559.20

Finding the Fourth Proportional to 97,743.20, 146,506.80 and 38,559.20

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Solution

The fourth proportional to 97,743.20, 146,506.80 and 38,559.20 is: 57,796.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,743.20 : 146,506.80 = 38,559.20 : x
  2. Step 2: Convert to fraction form
    97,743.20/146,506.80 = 38,559.20/x
  3. Step 3: Cross multiply
    97,743.20x = 146,506.80 × 38,559.20
  4. Step 4: Simplify right side
    97,743.20x = 5,649,185,002.56
  5. Step 5: Solve for x
    x = 5,649,185,002.56/97,743.20
  6. Step 6: Final answer
    x = 57,796.19

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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.