Home / 100,321.54-138,457.82-62,093.34

Finding the Fourth Proportional to 100,321.54, 138,457.82 and 62,093.34

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Solution

The fourth proportional to 100,321.54, 138,457.82 and 62,093.34 is: 85,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,321.54 : 138,457.82 = 62,093.34 : x
  2. Step 2: Convert to fraction form
    100,321.54/138,457.82 = 62,093.34/x
  3. Step 3: Cross multiply
    100,321.54x = 138,457.82 × 62,093.34
  4. Step 4: Simplify right side
    100,321.54x = 8,597,308,182.45
  5. Step 5: Solve for x
    x = 8,597,308,182.45/100,321.54
  6. Step 6: Final answer
    x = 85,697.53

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1.5x scale

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.