Home / 149,507.23-206,318.48-81,524.04

Finding the Fourth Proportional to 149,507.23, 206,318.48 and 81,524.04

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Solution

The fourth proportional to 149,507.23, 206,318.48 and 81,524.04 is: 112,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,507.23 : 206,318.48 = 81,524.04 : x
  2. Step 2: Convert to fraction form
    149,507.23/206,318.48 = 81,524.04/x
  3. Step 3: Cross multiply
    149,507.23x = 206,318.48 × 81,524.04
  4. Step 4: Simplify right side
    149,507.23x = 16,819,914,577.05
  5. Step 5: Solve for x
    x = 16,819,914,577.05/149,507.23
  6. Step 6: Final answer
    x = 112,502.35

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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.