Home / 108,233.34-149,409.44-82,740.78

Finding the Fourth Proportional to 108,233.34, 149,409.44 and 82,740.78

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Solution

The fourth proportional to 108,233.34, 149,409.44 and 82,740.78 is: 114,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,233.34 : 149,409.44 = 82,740.78 : x
  2. Step 2: Convert to fraction form
    108,233.34/149,409.44 = 82,740.78/x
  3. Step 3: Cross multiply
    108,233.34x = 149,409.44 × 82,740.78
  4. Step 4: Simplify right side
    108,233.34x = 12,362,253,191.26
  5. Step 5: Solve for x
    x = 12,362,253,191.26/108,233.34
  6. Step 6: Final answer
    x = 114,218.53

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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.