Home / 136,768.96-188,841.16-88,399.52

Finding the Fourth Proportional to 136,768.96, 188,841.16 and 88,399.52

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Solution

The fourth proportional to 136,768.96, 188,841.16 and 88,399.52 is: 122,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,768.96 : 188,841.16 = 88,399.52 : x
  2. Step 2: Convert to fraction form
    136,768.96/188,841.16 = 88,399.52/x
  3. Step 3: Cross multiply
    136,768.96x = 188,841.16 × 88,399.52
  4. Step 4: Simplify right side
    136,768.96x = 16,693,467,900.24
  5. Step 5: Solve for x
    x = 16,693,467,900.24/136,768.96
  6. Step 6: Final answer
    x = 122,055.97

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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.