Home / 104,043.10-143,579.46-56,296.48

Finding the Fourth Proportional to 104,043.10, 143,579.46 and 56,296.48

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Solution

The fourth proportional to 104,043.10, 143,579.46 and 56,296.48 is: 77,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043.10 : 143,579.46 = 56,296.48 : x
  2. Step 2: Convert to fraction form
    104,043.10/143,579.46 = 56,296.48/x
  3. Step 3: Cross multiply
    104,043.10x = 143,579.46 × 56,296.48
  4. Step 4: Simplify right side
    104,043.10x = 8,083,018,198.30
  5. Step 5: Solve for x
    x = 8,083,018,198.30/104,043.10
  6. Step 6: Final answer
    x = 77,689.13

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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.