Home / 250,022.49-345,029.71-135,301.06

Finding the Fourth Proportional to 250,022.49, 345,029.71 and 135,301.06

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Solution

The fourth proportional to 250,022.49, 345,029.71 and 135,301.06 is: 186,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,022.49 : 345,029.71 = 135,301.06 : x
  2. Step 2: Convert to fraction form
    250,022.49/345,029.71 = 135,301.06/x
  3. Step 3: Cross multiply
    250,022.49x = 345,029.71 × 135,301.06
  4. Step 4: Simplify right side
    250,022.49x = 46,682,885,494.49
  5. Step 5: Solve for x
    x = 46,682,885,494.49/250,022.49
  6. Step 6: Final answer
    x = 186,714.75

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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.