Home / 142,309.44-213,337.44-104,777.28

Finding the Fourth Proportional to 142,309.44, 213,337.44 and 104,777.28

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Solution

The fourth proportional to 142,309.44, 213,337.44 and 104,777.28 is: 157,072.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,309.44 : 213,337.44 = 104,777.28 : x
  2. Step 2: Convert to fraction form
    142,309.44/213,337.44 = 104,777.28/x
  3. Step 3: Cross multiply
    142,309.44x = 213,337.44 × 104,777.28
  4. Step 4: Simplify right side
    142,309.44x = 22,352,916,685.36
  5. Step 5: Solve for x
    x = 22,352,916,685.36/142,309.44
  6. Step 6: Final answer
    x = 157,072.62

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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.