Home / 250,008.72-345,012.96-135,287.37

Finding the Fourth Proportional to 250,008.72, 345,012.96 and 135,287.37

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Solution

The fourth proportional to 250,008.72, 345,012.96 and 135,287.37 is: 186,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,008.72 : 345,012.96 = 135,287.37 : x
  2. Step 2: Convert to fraction form
    250,008.72/345,012.96 = 135,287.37/x
  3. Step 3: Cross multiply
    250,008.72x = 345,012.96 × 135,287.37
  4. Step 4: Simplify right side
    250,008.72x = 46,675,895,974.32
  5. Step 5: Solve for x
    x = 46,675,895,974.32/250,008.72
  6. Step 6: Final answer
    x = 186,697.07

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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.