Home / 104,940.24-144,819.30-57,196.20

Finding the Fourth Proportional to 104,940.24, 144,819.30 and 57,196.20

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Solution

The fourth proportional to 104,940.24, 144,819.30 and 57,196.20 is: 78,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.24 : 144,819.30 = 57,196.20 : x
  2. Step 2: Convert to fraction form
    104,940.24/144,819.30 = 57,196.20/x
  3. Step 3: Cross multiply
    104,940.24x = 144,819.30 × 57,196.20
  4. Step 4: Simplify right side
    104,940.24x = 8,283,113,646.66
  5. Step 5: Solve for x
    x = 8,283,113,646.66/104,940.24
  6. Step 6: Final answer
    x = 78,931.72

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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.