Home / 667,136.39-1,000,695.65-161,701.70

Finding the Fourth Proportional to 667,136.39, 1,000,695.65 and 161,701.70

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Solution

The fourth proportional to 667,136.39, 1,000,695.65 and 161,701.70 is: 242,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,136.39 : 1,000,695.65 = 161,701.70 : x
  2. Step 2: Convert to fraction form
    667,136.39/1,000,695.65 = 161,701.70/x
  3. Step 3: Cross multiply
    667,136.39x = 1,000,695.65 × 161,701.70
  4. Step 4: Simplify right side
    667,136.39x = 161,814,181,975.62
  5. Step 5: Solve for x
    x = 161,814,181,975.62/667,136.39
  6. Step 6: Final answer
    x = 242,550.38

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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.