Home / 139,249.64-192,166.50-75,587.56

Finding the Fourth Proportional to 139,249.64, 192,166.50 and 75,587.56

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Solution

The fourth proportional to 139,249.64, 192,166.50 and 75,587.56 is: 104,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,249.64 : 192,166.50 = 75,587.56 : x
  2. Step 2: Convert to fraction form
    139,249.64/192,166.50 = 75,587.56/x
  3. Step 3: Cross multiply
    139,249.64x = 192,166.50 × 75,587.56
  4. Step 4: Simplify right side
    139,249.64x = 14,525,396,848.74
  5. Step 5: Solve for x
    x = 14,525,396,848.74/139,249.64
  6. Step 6: Final answer
    x = 104,311.92

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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.