Home / 251,659.20-347,339.43-144,301.80

Finding the Fourth Proportional to 251,659.20, 347,339.43 and 144,301.80

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Solution

The fourth proportional to 251,659.20, 347,339.43 and 144,301.80 is: 199,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,659.20 : 347,339.43 = 144,301.80 : x
  2. Step 2: Convert to fraction form
    251,659.20/347,339.43 = 144,301.80/x
  3. Step 3: Cross multiply
    251,659.20x = 347,339.43 × 144,301.80
  4. Step 4: Simplify right side
    251,659.20x = 50,121,704,959.97
  5. Step 5: Solve for x
    x = 50,121,704,959.97/251,659.20
  6. Step 6: Final answer
    x = 199,165.00

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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.