Home / 126,983.03-190,476.16-87,529.55

Finding the Fourth Proportional to 126,983.03, 190,476.16 and 87,529.55

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Solution

The fourth proportional to 126,983.03, 190,476.16 and 87,529.55 is: 131,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,983.03 : 190,476.16 = 87,529.55 : x
  2. Step 2: Convert to fraction form
    126,983.03/190,476.16 = 87,529.55/x
  3. Step 3: Cross multiply
    126,983.03x = 190,476.16 × 87,529.55
  4. Step 4: Simplify right side
    126,983.03x = 16,672,291,399.32
  5. Step 5: Solve for x
    x = 16,672,291,399.32/126,983.03
  6. Step 6: Final answer
    x = 131,295.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.