Home / 104,969.28-144,852.24-57,217.92

Finding the Fourth Proportional to 104,969.28, 144,852.24 and 57,217.92

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Solution

The fourth proportional to 104,969.28, 144,852.24 and 57,217.92 is: 78,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,969.28 : 144,852.24 = 57,217.92 : x
  2. Step 2: Convert to fraction form
    104,969.28/144,852.24 = 57,217.92/x
  3. Step 3: Cross multiply
    104,969.28x = 144,852.24 × 57,217.92
  4. Step 4: Simplify right side
    104,969.28x = 8,288,143,880.14
  5. Step 5: Solve for x
    x = 8,288,143,880.14/104,969.28
  6. Step 6: Final answer
    x = 78,957.80

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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.