Home / 126,860.36-190,289.98-38,113.48

Finding the Fourth Proportional to 126,860.36, 190,289.98 and 38,113.48

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Solution

The fourth proportional to 126,860.36, 190,289.98 and 38,113.48 is: 57,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,860.36 : 190,289.98 = 38,113.48 : x
  2. Step 2: Convert to fraction form
    126,860.36/190,289.98 = 38,113.48/x
  3. Step 3: Cross multiply
    126,860.36x = 190,289.98 × 38,113.48
  4. Step 4: Simplify right side
    126,860.36x = 7,252,613,346.93
  5. Step 5: Solve for x
    x = 7,252,613,346.93/126,860.36
  6. Step 6: Final answer
    x = 57,170.05

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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.