Home / 103,512.00-142,806.09-58,179.59

Finding the Fourth Proportional to 103,512.00, 142,806.09 and 58,179.59

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Solution

The fourth proportional to 103,512.00, 142,806.09 and 58,179.59 is: 80,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,512.00 : 142,806.09 = 58,179.59 : x
  2. Step 2: Convert to fraction form
    103,512.00/142,806.09 = 58,179.59/x
  3. Step 3: Cross multiply
    103,512.00x = 142,806.09 × 58,179.59
  4. Step 4: Simplify right side
    103,512.00x = 8,308,399,879.75
  5. Step 5: Solve for x
    x = 8,308,399,879.75/103,512.00
  6. Step 6: Final answer
    x = 80,265.09

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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.