Home / 126,919.60-190,316-41,519.31

Finding the Fourth Proportional to 126,919.60, 190,316 and 41,519.31

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Solution

The fourth proportional to 126,919.60, 190,316 and 41,519.31 is: 62,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,919.60 : 190,316 = 41,519.31 : x
  2. Step 2: Convert to fraction form
    126,919.60/190,316 = 41,519.31/x
  3. Step 3: Cross multiply
    126,919.60x = 190,316 × 41,519.31
  4. Step 4: Simplify right side
    126,919.60x = 7,901,789,001.96
  5. Step 5: Solve for x
    x = 7,901,789,001.96/126,919.60
  6. Step 6: Final answer
    x = 62,258.22

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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.