Home / 136,289.99-188,080.16-75,859.33

Finding the Fourth Proportional to 136,289.99, 188,080.16 and 75,859.33

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Solution

The fourth proportional to 136,289.99, 188,080.16 and 75,859.33 is: 104,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,289.99 : 188,080.16 = 75,859.33 : x
  2. Step 2: Convert to fraction form
    136,289.99/188,080.16 = 75,859.33/x
  3. Step 3: Cross multiply
    136,289.99x = 188,080.16 × 75,859.33
  4. Step 4: Simplify right side
    136,289.99x = 14,267,634,074.40
  5. Step 5: Solve for x
    x = 14,267,634,074.40/136,289.99
  6. Step 6: Final answer
    x = 104,685.86

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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.