Home / 117,004.50-161,400.60-71,704.44

Finding the Fourth Proportional to 117,004.50, 161,400.60 and 71,704.44

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Solution

The fourth proportional to 117,004.50, 161,400.60 and 71,704.44 is: 98,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,004.50 : 161,400.60 = 71,704.44 : x
  2. Step 2: Convert to fraction form
    117,004.50/161,400.60 = 71,704.44/x
  3. Step 3: Cross multiply
    117,004.50x = 161,400.60 × 71,704.44
  4. Step 4: Simplify right side
    117,004.50x = 11,573,139,638.66
  5. Step 5: Solve for x
    x = 11,573,139,638.66/117,004.50
  6. Step 6: Final answer
    x = 98,911.92

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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.