Home / 140,135.75-193,336.76-107,880.24

Finding the Fourth Proportional to 140,135.75, 193,336.76 and 107,880.24

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Solution

The fourth proportional to 140,135.75, 193,336.76 and 107,880.24 is: 148,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,135.75 : 193,336.76 = 107,880.24 : x
  2. Step 2: Convert to fraction form
    140,135.75/193,336.76 = 107,880.24/x
  3. Step 3: Cross multiply
    140,135.75x = 193,336.76 × 107,880.24
  4. Step 4: Simplify right side
    140,135.75x = 20,857,216,339.32
  5. Step 5: Solve for x
    x = 20,857,216,339.32/140,135.75
  6. Step 6: Final answer
    x = 148,835.80

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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.