Home / 136,427.75-188,275.97-75,998.38

Finding the Fourth Proportional to 136,427.75, 188,275.97 and 75,998.38

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Solution

The fourth proportional to 136,427.75, 188,275.97 and 75,998.38 is: 104,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,427.75 : 188,275.97 = 75,998.38 : x
  2. Step 2: Convert to fraction form
    136,427.75/188,275.97 = 75,998.38/x
  3. Step 3: Cross multiply
    136,427.75x = 188,275.97 × 75,998.38
  4. Step 4: Simplify right side
    136,427.75x = 14,308,668,712.93
  5. Step 5: Solve for x
    x = 14,308,668,712.93/136,427.75
  6. Step 6: Final answer
    x = 104,880.93

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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.