Home / 97,698.31-146,542.89-40,748.69

Finding the Fourth Proportional to 97,698.31, 146,542.89 and 40,748.69

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Solution

The fourth proportional to 97,698.31, 146,542.89 and 40,748.69 is: 61,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,698.31 : 146,542.89 = 40,748.69 : x
  2. Step 2: Convert to fraction form
    97,698.31/146,542.89 = 40,748.69/x
  3. Step 3: Cross multiply
    97,698.31x = 146,542.89 × 40,748.69
  4. Step 4: Simplify right side
    97,698.31x = 5,971,430,796.31
  5. Step 5: Solve for x
    x = 5,971,430,796.31/97,698.31
  6. Step 6: Final answer
    x = 61,121.13

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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.