Home / 104,043.62-143,579.58-56,296.56

Finding the Fourth Proportional to 104,043.62, 143,579.58 and 56,296.56

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Solution

The fourth proportional to 104,043.62, 143,579.58 and 56,296.56 is: 77,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043.62 : 143,579.58 = 56,296.56 : x
  2. Step 2: Convert to fraction form
    104,043.62/143,579.58 = 56,296.56/x
  3. Step 3: Cross multiply
    104,043.62x = 143,579.58 × 56,296.56
  4. Step 4: Simplify right side
    104,043.62x = 8,083,036,440.24
  5. Step 5: Solve for x
    x = 8,083,036,440.24/104,043.62
  6. Step 6: Final answer
    x = 77,688.92

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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.