Home / 251,723.12-347,378.76-144,299.60

Finding the Fourth Proportional to 251,723.12, 347,378.76 and 144,299.60

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Solution

The fourth proportional to 251,723.12, 347,378.76 and 144,299.60 is: 199,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,723.12 : 347,378.76 = 144,299.60 : x
  2. Step 2: Convert to fraction form
    251,723.12/347,378.76 = 144,299.60/x
  3. Step 3: Cross multiply
    251,723.12x = 347,378.76 × 144,299.60
  4. Step 4: Simplify right side
    251,723.12x = 50,126,616,116.50
  5. Step 5: Solve for x
    x = 50,126,616,116.50/251,723.12
  6. Step 6: Final answer
    x = 199,133.94

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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.