Home / 144,541.20-199,461.84-80,013.24

Finding the Fourth Proportional to 144,541.20, 199,461.84 and 80,013.24

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Solution

The fourth proportional to 144,541.20, 199,461.84 and 80,013.24 is: 110,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,541.20 : 199,461.84 = 80,013.24 : x
  2. Step 2: Convert to fraction form
    144,541.20/199,461.84 = 80,013.24/x
  3. Step 3: Cross multiply
    144,541.20x = 199,461.84 × 80,013.24
  4. Step 4: Simplify right side
    144,541.20x = 15,959,588,074.76
  5. Step 5: Solve for x
    x = 15,959,588,074.76/144,541.20
  6. Step 6: Final answer
    x = 110,415.49

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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.