Home / 136,343.92-204,447.44-79,436.23

Finding the Fourth Proportional to 136,343.92, 204,447.44 and 79,436.23

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Solution

The fourth proportional to 136,343.92, 204,447.44 and 79,436.23 is: 119,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,343.92 : 204,447.44 = 79,436.23 : x
  2. Step 2: Convert to fraction form
    136,343.92/204,447.44 = 79,436.23/x
  3. Step 3: Cross multiply
    136,343.92x = 204,447.44 × 79,436.23
  4. Step 4: Simplify right side
    136,343.92x = 16,240,533,122.97
  5. Step 5: Solve for x
    x = 16,240,533,122.97/136,343.92
  6. Step 6: Final answer
    x = 119,114.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.