Home / 97,617.79-146,371.20-38,421.37

Finding the Fourth Proportional to 97,617.79, 146,371.20 and 38,421.37

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Solution

The fourth proportional to 97,617.79, 146,371.20 and 38,421.37 is: 57,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,617.79 : 146,371.20 = 38,421.37 : x
  2. Step 2: Convert to fraction form
    97,617.79/146,371.20 = 38,421.37/x
  3. Step 3: Cross multiply
    97,617.79x = 146,371.20 × 38,421.37
  4. Step 4: Simplify right side
    97,617.79x = 5,623,782,032.54
  5. Step 5: Solve for x
    x = 5,623,782,032.54/97,617.79
  6. Step 6: Final answer
    x = 57,610.22

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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.