Home / 118,067.48-162,928.36-64,351.36

Finding the Fourth Proportional to 118,067.48, 162,928.36 and 64,351.36

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Solution

The fourth proportional to 118,067.48, 162,928.36 and 64,351.36 is: 88,802.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,067.48 : 162,928.36 = 64,351.36 : x
  2. Step 2: Convert to fraction form
    118,067.48/162,928.36 = 64,351.36/x
  3. Step 3: Cross multiply
    118,067.48x = 162,928.36 × 64,351.36
  4. Step 4: Simplify right side
    118,067.48x = 10,484,661,548.57
  5. Step 5: Solve for x
    x = 10,484,661,548.57/118,067.48
  6. Step 6: Final answer
    x = 88,802.28

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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.