Home / 139,229.83-192,137.36-75,567.63

Finding the Fourth Proportional to 139,229.83, 192,137.36 and 75,567.63

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Solution

The fourth proportional to 139,229.83, 192,137.36 and 75,567.63 is: 104,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,229.83 : 192,137.36 = 75,567.63 : x
  2. Step 2: Convert to fraction form
    139,229.83/192,137.36 = 75,567.63/x
  3. Step 3: Cross multiply
    139,229.83x = 192,137.36 × 75,567.63
  4. Step 4: Simplify right side
    139,229.83x = 14,519,364,929.66
  5. Step 5: Solve for x
    x = 14,519,364,929.66/139,229.83
  6. Step 6: Final answer
    x = 104,283.44

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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.