Home / 142,698.03-196,924.73-86,098.47

Finding the Fourth Proportional to 142,698.03, 196,924.73 and 86,098.47

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Solution

The fourth proportional to 142,698.03, 196,924.73 and 86,098.47 is: 118,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,698.03 : 196,924.73 = 86,098.47 : x
  2. Step 2: Convert to fraction form
    142,698.03/196,924.73 = 86,098.47/x
  3. Step 3: Cross multiply
    142,698.03x = 196,924.73 × 86,098.47
  4. Step 4: Simplify right side
    142,698.03x = 16,954,917,958.16
  5. Step 5: Solve for x
    x = 16,954,917,958.16/142,698.03
  6. Step 6: Final answer
    x = 118,816.76

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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.