Home / 126,670.45-190,071.33-55,643.03

Finding the Fourth Proportional to 126,670.45, 190,071.33 and 55,643.03

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Solution

The fourth proportional to 126,670.45, 190,071.33 and 55,643.03 is: 83,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,670.45 : 190,071.33 = 55,643.03 : x
  2. Step 2: Convert to fraction form
    126,670.45/190,071.33 = 55,643.03/x
  3. Step 3: Cross multiply
    126,670.45x = 190,071.33 × 55,643.03
  4. Step 4: Simplify right side
    126,670.45x = 10,576,144,439.11
  5. Step 5: Solve for x
    x = 10,576,144,439.11/126,670.45
  6. Step 6: Final answer
    x = 83,493.39

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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.