Home / 104,821.32-144,653.60-57,074.87

Finding the Fourth Proportional to 104,821.32, 144,653.60 and 57,074.87

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Solution

The fourth proportional to 104,821.32, 144,653.60 and 57,074.87 is: 78,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,821.32 : 144,653.60 = 57,074.87 : x
  2. Step 2: Convert to fraction form
    104,821.32/144,653.60 = 57,074.87/x
  3. Step 3: Cross multiply
    104,821.32x = 144,653.60 × 57,074.87
  4. Step 4: Simplify right side
    104,821.32x = 8,256,084,406.39
  5. Step 5: Solve for x
    x = 8,256,084,406.39/104,821.32
  6. Step 6: Final answer
    x = 78,763.41

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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.