Home / 136,427.91-188,276.19-75,998.54

Finding the Fourth Proportional to 136,427.91, 188,276.19 and 75,998.54

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Solution

The fourth proportional to 136,427.91, 188,276.19 and 75,998.54 is: 104,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,427.91 : 188,276.19 = 75,998.54 : x
  2. Step 2: Convert to fraction form
    136,427.91/188,276.19 = 75,998.54/x
  3. Step 3: Cross multiply
    136,427.91x = 188,276.19 × 75,998.54
  4. Step 4: Simplify right side
    136,427.91x = 14,308,715,556.76
  5. Step 5: Solve for x
    x = 14,308,715,556.76/136,427.91
  6. Step 6: Final answer
    x = 104,881.15

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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.