Home / 101,284.54-139,772.09-55,962.53

Finding the Fourth Proportional to 101,284.54, 139,772.09 and 55,962.53

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Solution

The fourth proportional to 101,284.54, 139,772.09 and 55,962.53 is: 77,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,284.54 : 139,772.09 = 55,962.53 : x
  2. Step 2: Convert to fraction form
    101,284.54/139,772.09 = 55,962.53/x
  3. Step 3: Cross multiply
    101,284.54x = 139,772.09 × 55,962.53
  4. Step 4: Simplify right side
    101,284.54x = 7,821,999,779.79
  5. Step 5: Solve for x
    x = 7,821,999,779.79/101,284.54
  6. Step 6: Final answer
    x = 77,227.97

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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.