Home / 109,647.48-151,297.14-64,308.36

Finding the Fourth Proportional to 109,647.48, 151,297.14 and 64,308.36

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Solution

The fourth proportional to 109,647.48, 151,297.14 and 64,308.36 is: 88,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,647.48 : 151,297.14 = 64,308.36 : x
  2. Step 2: Convert to fraction form
    109,647.48/151,297.14 = 64,308.36/x
  3. Step 3: Cross multiply
    109,647.48x = 151,297.14 × 64,308.36
  4. Step 4: Simplify right side
    109,647.48x = 9,729,670,946.09
  5. Step 5: Solve for x
    x = 9,729,670,946.09/109,647.48
  6. Step 6: Final answer
    x = 88,735.93

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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.