Home / 113,947.83-157,247.87-68,652

Finding the Fourth Proportional to 113,947.83, 157,247.87 and 68,652

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Solution

The fourth proportional to 113,947.83, 157,247.87 and 68,652 is: 94,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,947.83 : 157,247.87 = 68,652 : x
  2. Step 2: Convert to fraction form
    113,947.83/157,247.87 = 68,652/x
  3. Step 3: Cross multiply
    113,947.83x = 157,247.87 × 68,652
  4. Step 4: Simplify right side
    113,947.83x = 10,795,380,427.98
  5. Step 5: Solve for x
    x = 10,795,380,427.98/113,947.83
  6. Step 6: Final answer
    x = 94,739.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.