Home / 117,749.54-162,490.76-66,766.94

Finding the Fourth Proportional to 117,749.54, 162,490.76 and 66,766.94

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Solution

The fourth proportional to 117,749.54, 162,490.76 and 66,766.94 is: 92,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,749.54 : 162,490.76 = 66,766.94 : x
  2. Step 2: Convert to fraction form
    117,749.54/162,490.76 = 66,766.94/x
  3. Step 3: Cross multiply
    117,749.54x = 162,490.76 × 66,766.94
  4. Step 4: Simplify right side
    117,749.54x = 10,849,010,823.47
  5. Step 5: Solve for x
    x = 10,849,010,823.47/117,749.54
  6. Step 6: Final answer
    x = 92,136.33

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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.