Home / 142,201.80-196,230.60-88,485.12

Finding the Fourth Proportional to 142,201.80, 196,230.60 and 88,485.12

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Solution

The fourth proportional to 142,201.80, 196,230.60 and 88,485.12 is: 122,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,201.80 : 196,230.60 = 88,485.12 : x
  2. Step 2: Convert to fraction form
    142,201.80/196,230.60 = 88,485.12/x
  3. Step 3: Cross multiply
    142,201.80x = 196,230.60 × 88,485.12
  4. Step 4: Simplify right side
    142,201.80x = 17,363,488,188.67
  5. Step 5: Solve for x
    x = 17,363,488,188.67/142,201.80
  6. Step 6: Final answer
    x = 122,104.56

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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.