Home / 136,015.74-187,698.06-75,584.88

Finding the Fourth Proportional to 136,015.74, 187,698.06 and 75,584.88

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Solution

The fourth proportional to 136,015.74, 187,698.06 and 75,584.88 is: 104,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,015.74 : 187,698.06 = 75,584.88 : x
  2. Step 2: Convert to fraction form
    136,015.74/187,698.06 = 75,584.88/x
  3. Step 3: Cross multiply
    136,015.74x = 187,698.06 × 75,584.88
  4. Step 4: Simplify right side
    136,015.74x = 14,187,135,341.33
  5. Step 5: Solve for x
    x = 14,187,135,341.33/136,015.74
  6. Step 6: Final answer
    x = 104,305.10

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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.