Home / 202,046.12-278,709.48-126,463.40

Finding the Fourth Proportional to 202,046.12, 278,709.48 and 126,463.40

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Solution

The fourth proportional to 202,046.12, 278,709.48 and 126,463.40 is: 174,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,046.12 : 278,709.48 = 126,463.40 : x
  2. Step 2: Convert to fraction form
    202,046.12/278,709.48 = 126,463.40/x
  3. Step 3: Cross multiply
    202,046.12x = 278,709.48 × 126,463.40
  4. Step 4: Simplify right side
    202,046.12x = 35,246,548,453.03
  5. Step 5: Solve for x
    x = 35,246,548,453.03/202,046.12
  6. Step 6: Final answer
    x = 174,448.03

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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.