Home / 173,004.45-259,476.75-78,212.59

Finding the Fourth Proportional to 173,004.45, 259,476.75 and 78,212.59

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Solution

The fourth proportional to 173,004.45, 259,476.75 and 78,212.59 is: 117,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,004.45 : 259,476.75 = 78,212.59 : x
  2. Step 2: Convert to fraction form
    173,004.45/259,476.75 = 78,212.59/x
  3. Step 3: Cross multiply
    173,004.45x = 259,476.75 × 78,212.59
  4. Step 4: Simplify right side
    173,004.45x = 20,294,348,662.28
  5. Step 5: Solve for x
    x = 20,294,348,662.28/173,004.45
  6. Step 6: Final answer
    x = 117,305.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.