Home / 139,269.24-192,195.45-75,611.16

Finding the Fourth Proportional to 139,269.24, 192,195.45 and 75,611.16

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Solution

The fourth proportional to 139,269.24, 192,195.45 and 75,611.16 is: 104,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,269.24 : 192,195.45 = 75,611.16 : x
  2. Step 2: Convert to fraction form
    139,269.24/192,195.45 = 75,611.16/x
  3. Step 3: Cross multiply
    139,269.24x = 192,195.45 × 75,611.16
  4. Step 4: Simplify right side
    139,269.24x = 14,532,120,921.22
  5. Step 5: Solve for x
    x = 14,532,120,921.22/139,269.24
  6. Step 6: Final answer
    x = 104,345.52

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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.