Home / 139,284.02-192,209.97-75,624.26

Finding the Fourth Proportional to 139,284.02, 192,209.97 and 75,624.26

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Solution

The fourth proportional to 139,284.02, 192,209.97 and 75,624.26 is: 104,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,284.02 : 192,209.97 = 75,624.26 : x
  2. Step 2: Convert to fraction form
    139,284.02/192,209.97 = 75,624.26/x
  3. Step 3: Cross multiply
    139,284.02x = 192,209.97 × 75,624.26
  4. Step 4: Simplify right side
    139,284.02x = 14,535,736,745.87
  5. Step 5: Solve for x
    x = 14,535,736,745.87/139,284.02
  6. Step 6: Final answer
    x = 104,360.41

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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.