Home / 144,043.10-215,999.85-55,267.10

Finding the Fourth Proportional to 144,043.10, 215,999.85 and 55,267.10

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Solution

The fourth proportional to 144,043.10, 215,999.85 and 55,267.10 is: 82,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,043.10 : 215,999.85 = 55,267.10 : x
  2. Step 2: Convert to fraction form
    144,043.10/215,999.85 = 55,267.10/x
  3. Step 3: Cross multiply
    144,043.10x = 215,999.85 × 55,267.10
  4. Step 4: Simplify right side
    144,043.10x = 11,937,685,309.94
  5. Step 5: Solve for x
    x = 11,937,685,309.94/144,043.10
  6. Step 6: Final answer
    x = 82,875.79

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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.