Home / 78,176.42-117,267.45-22,021.44

Finding the Fourth Proportional to 78,176.42, 117,267.45 and 22,021.44

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Solution

The fourth proportional to 78,176.42, 117,267.45 and 22,021.44 is: 33,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,176.42 : 117,267.45 = 22,021.44 : x
  2. Step 2: Convert to fraction form
    78,176.42/117,267.45 = 22,021.44/x
  3. Step 3: Cross multiply
    78,176.42x = 117,267.45 × 22,021.44
  4. Step 4: Simplify right side
    78,176.42x = 2,582,397,417.68
  5. Step 5: Solve for x
    x = 2,582,397,417.68/78,176.42
  6. Step 6: Final answer
    x = 33,032.95

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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.