Home / 97,342.40-146,012.70-30,782.56

Finding the Fourth Proportional to 97,342.40, 146,012.70 and 30,782.56

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Solution

The fourth proportional to 97,342.40, 146,012.70 and 30,782.56 is: 46,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,342.40 : 146,012.70 = 30,782.56 : x
  2. Step 2: Convert to fraction form
    97,342.40/146,012.70 = 30,782.56/x
  3. Step 3: Cross multiply
    97,342.40x = 146,012.70 × 30,782.56
  4. Step 4: Simplify right side
    97,342.40x = 4,494,644,698.51
  5. Step 5: Solve for x
    x = 4,494,644,698.51/97,342.40
  6. Step 6: Final answer
    x = 46,173.56

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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.