Home / 128,922.02-193,382.46-40,175.60

Finding the Fourth Proportional to 128,922.02, 193,382.46 and 40,175.60

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Solution

The fourth proportional to 128,922.02, 193,382.46 and 40,175.60 is: 60,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,922.02 : 193,382.46 = 40,175.60 : x
  2. Step 2: Convert to fraction form
    128,922.02/193,382.46 = 40,175.60/x
  3. Step 3: Cross multiply
    128,922.02x = 193,382.46 × 40,175.60
  4. Step 4: Simplify right side
    128,922.02x = 7,769,256,359.98
  5. Step 5: Solve for x
    x = 7,769,256,359.98/128,922.02
  6. Step 6: Final answer
    x = 60,263.22

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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.