Home / 147,840.39-204,020.37-80,772.39

Finding the Fourth Proportional to 147,840.39, 204,020.37 and 80,772.39

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Solution

The fourth proportional to 147,840.39, 204,020.37 and 80,772.39 is: 111,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,840.39 : 204,020.37 = 80,772.39 : x
  2. Step 2: Convert to fraction form
    147,840.39/204,020.37 = 80,772.39/x
  3. Step 3: Cross multiply
    147,840.39x = 204,020.37 × 80,772.39
  4. Step 4: Simplify right side
    147,840.39x = 16,479,212,893.58
  5. Step 5: Solve for x
    x = 16,479,212,893.58/147,840.39
  6. Step 6: Final answer
    x = 111,466.24

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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.