Home / 103,174.43-142,370.87-57,842.01

Finding the Fourth Proportional to 103,174.43, 142,370.87 and 57,842.01

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Solution

The fourth proportional to 103,174.43, 142,370.87 and 57,842.01 is: 79,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,174.43 : 142,370.87 = 57,842.01 : x
  2. Step 2: Convert to fraction form
    103,174.43/142,370.87 = 57,842.01/x
  3. Step 3: Cross multiply
    103,174.43x = 142,370.87 × 57,842.01
  4. Step 4: Simplify right side
    103,174.43x = 8,235,016,997.04
  5. Step 5: Solve for x
    x = 8,235,016,997.04/103,174.43
  6. Step 6: Final answer
    x = 79,816.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.