Home / 145,101.74-200,249.36-96,620.54

Finding the Fourth Proportional to 145,101.74, 200,249.36 and 96,620.54

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Solution

The fourth proportional to 145,101.74, 200,249.36 and 96,620.54 is: 133,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,101.74 : 200,249.36 = 96,620.54 : x
  2. Step 2: Convert to fraction form
    145,101.74/200,249.36 = 96,620.54/x
  3. Step 3: Cross multiply
    145,101.74x = 200,249.36 × 96,620.54
  4. Step 4: Simplify right side
    145,101.74x = 19,348,199,813.50
  5. Step 5: Solve for x
    x = 19,348,199,813.50/145,101.74
  6. Step 6: Final answer
    x = 133,342.31

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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.