Home / 144,670.02-199,639.98-80,136.60

Finding the Fourth Proportional to 144,670.02, 199,639.98 and 80,136.60

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Solution

The fourth proportional to 144,670.02, 199,639.98 and 80,136.60 is: 110,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,670.02 : 199,639.98 = 80,136.60 : x
  2. Step 2: Convert to fraction form
    144,670.02/199,639.98 = 80,136.60/x
  3. Step 3: Cross multiply
    144,670.02x = 199,639.98 × 80,136.60
  4. Step 4: Simplify right side
    144,670.02x = 15,998,469,221.27
  5. Step 5: Solve for x
    x = 15,998,469,221.27/144,670.02
  6. Step 6: Final answer
    x = 110,585.93

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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.