Home / 168,039.64-252,059.48-138,338.36

Finding the Fourth Proportional to 168,039.64, 252,059.48 and 138,338.36

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Solution

The fourth proportional to 168,039.64, 252,059.48 and 138,338.36 is: 207,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,039.64 : 252,059.48 = 138,338.36 : x
  2. Step 2: Convert to fraction form
    168,039.64/252,059.48 = 138,338.36/x
  3. Step 3: Cross multiply
    168,039.64x = 252,059.48 × 138,338.36
  4. Step 4: Simplify right side
    168,039.64x = 34,869,495,085.65
  5. Step 5: Solve for x
    x = 34,869,495,085.65/168,039.64
  6. Step 6: Final answer
    x = 207,507.56

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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.