Home / 139,248.32-192,161.36-75,584.75

Finding the Fourth Proportional to 139,248.32, 192,161.36 and 75,584.75

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Solution

The fourth proportional to 139,248.32, 192,161.36 and 75,584.75 is: 104,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,248.32 : 192,161.36 = 75,584.75 : x
  2. Step 2: Convert to fraction form
    139,248.32/192,161.36 = 75,584.75/x
  3. Step 3: Cross multiply
    139,248.32x = 192,161.36 × 75,584.75
  4. Step 4: Simplify right side
    139,248.32x = 14,524,467,583.42
  5. Step 5: Solve for x
    x = 14,524,467,583.42/139,248.32
  6. Step 6: Final answer
    x = 104,306.24

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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.