Home / 104,820.64-144,650.61-57,073.12

Finding the Fourth Proportional to 104,820.64, 144,650.61 and 57,073.12

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Solution

The fourth proportional to 104,820.64, 144,650.61 and 57,073.12 is: 78,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820.64 : 144,650.61 = 57,073.12 : x
  2. Step 2: Convert to fraction form
    104,820.64/144,650.61 = 57,073.12/x
  3. Step 3: Cross multiply
    104,820.64x = 144,650.61 × 57,073.12
  4. Step 4: Simplify right side
    104,820.64x = 8,255,661,622.60
  5. Step 5: Solve for x
    x = 8,255,661,622.60/104,820.64
  6. Step 6: Final answer
    x = 78,759.89

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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.