Home / 116,129.21-160,104.92-75,772.91

Finding the Fourth Proportional to 116,129.21, 160,104.92 and 75,772.91

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Solution

The fourth proportional to 116,129.21, 160,104.92 and 75,772.91 is: 104,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,129.21 : 160,104.92 = 75,772.91 : x
  2. Step 2: Convert to fraction form
    116,129.21/160,104.92 = 75,772.91/x
  3. Step 3: Cross multiply
    116,129.21x = 160,104.92 × 75,772.91
  4. Step 4: Simplify right side
    116,129.21x = 12,131,614,514.33
  5. Step 5: Solve for x
    x = 12,131,614,514.33/116,129.21
  6. Step 6: Final answer
    x = 104,466.53

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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.