Home / 252,933.68-349,033.56-138,189.53

Finding the Fourth Proportional to 252,933.68, 349,033.56 and 138,189.53

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Solution

The fourth proportional to 252,933.68, 349,033.56 and 138,189.53 is: 190,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,933.68 : 349,033.56 = 138,189.53 : x
  2. Step 2: Convert to fraction form
    252,933.68/349,033.56 = 138,189.53/x
  3. Step 3: Cross multiply
    252,933.68x = 349,033.56 × 138,189.53
  4. Step 4: Simplify right side
    252,933.68x = 48,232,783,610.63
  5. Step 5: Solve for x
    x = 48,232,783,610.63/252,933.68
  6. Step 6: Final answer
    x = 190,693.40

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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.