Home / 205,850.79-308,457.41-142,793.55

Finding the Fourth Proportional to 205,850.79, 308,457.41 and 142,793.55

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Solution

The fourth proportional to 205,850.79, 308,457.41 and 142,793.55 is: 213,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,850.79 : 308,457.41 = 142,793.55 : x
  2. Step 2: Convert to fraction form
    205,850.79/308,457.41 = 142,793.55/x
  3. Step 3: Cross multiply
    205,850.79x = 308,457.41 × 142,793.55
  4. Step 4: Simplify right side
    205,850.79x = 44,045,727,883.74
  5. Step 5: Solve for x
    x = 44,045,727,883.74/205,850.79
  6. Step 6: Final answer
    x = 213,969.20

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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.