Home / 142,796.93-197,067.60-79,133.36

Finding the Fourth Proportional to 142,796.93, 197,067.60 and 79,133.36

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Solution

The fourth proportional to 142,796.93, 197,067.60 and 79,133.36 is: 109,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,796.93 : 197,067.60 = 79,133.36 : x
  2. Step 2: Convert to fraction form
    142,796.93/197,067.60 = 79,133.36/x
  3. Step 3: Cross multiply
    142,796.93x = 197,067.60 × 79,133.36
  4. Step 4: Simplify right side
    142,796.93x = 15,594,620,349.80
  5. Step 5: Solve for x
    x = 15,594,620,349.80/142,796.93
  6. Step 6: Final answer
    x = 109,208.38

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1.5x scale

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.