Home / 142,060.33-196,047.96-77,533.09

Finding the Fourth Proportional to 142,060.33, 196,047.96 and 77,533.09

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Solution

The fourth proportional to 142,060.33, 196,047.96 and 77,533.09 is: 106,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,060.33 : 196,047.96 = 77,533.09 : x
  2. Step 2: Convert to fraction form
    142,060.33/196,047.96 = 77,533.09/x
  3. Step 3: Cross multiply
    142,060.33x = 196,047.96 × 77,533.09
  4. Step 4: Simplify right side
    142,060.33x = 15,200,204,127.00
  5. Step 5: Solve for x
    x = 15,200,204,127.00/142,060.33
  6. Step 6: Final answer
    x = 106,998.23

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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.