Home / 126,954.47-190,223.91-77,049.85

Finding the Fourth Proportional to 126,954.47, 190,223.91 and 77,049.85

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Solution

The fourth proportional to 126,954.47, 190,223.91 and 77,049.85 is: 115,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,954.47 : 190,223.91 = 77,049.85 : x
  2. Step 2: Convert to fraction form
    126,954.47/190,223.91 = 77,049.85/x
  3. Step 3: Cross multiply
    126,954.47x = 190,223.91 × 77,049.85
  4. Step 4: Simplify right side
    126,954.47x = 14,656,723,256.35
  5. Step 5: Solve for x
    x = 14,656,723,256.35/126,954.47
  6. Step 6: Final answer
    x = 115,448.66

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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.