Home / 126,949.40-190,424.07-52,018.40

Finding the Fourth Proportional to 126,949.40, 190,424.07 and 52,018.40

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Solution

The fourth proportional to 126,949.40, 190,424.07 and 52,018.40 is: 78,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,949.40 : 190,424.07 = 52,018.40 : x
  2. Step 2: Convert to fraction form
    126,949.40/190,424.07 = 52,018.40/x
  3. Step 3: Cross multiply
    126,949.40x = 190,424.07 × 52,018.40
  4. Step 4: Simplify right side
    126,949.40x = 9,905,555,442.89
  5. Step 5: Solve for x
    x = 9,905,555,442.89/126,949.40
  6. Step 6: Final answer
    x = 78,027.59

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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.