Home / 104,969.20-144,856.52-57,222.56

Finding the Fourth Proportional to 104,969.20, 144,856.52 and 57,222.56

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Solution

The fourth proportional to 104,969.20, 144,856.52 and 57,222.56 is: 78,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,969.20 : 144,856.52 = 57,222.56 : x
  2. Step 2: Convert to fraction form
    104,969.20/144,856.52 = 57,222.56/x
  3. Step 3: Cross multiply
    104,969.20x = 144,856.52 × 57,222.56
  4. Step 4: Simplify right side
    104,969.20x = 8,289,060,907.09
  5. Step 5: Solve for x
    x = 8,289,060,907.09/104,969.20
  6. Step 6: Final answer
    x = 78,966.60

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1.5x scale

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.