Home / 250,156.38-345,216.03-135,435.12

Finding the Fourth Proportional to 250,156.38, 345,216.03 and 135,435.12

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Solution

The fourth proportional to 250,156.38, 345,216.03 and 135,435.12 is: 186,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,156.38 : 345,216.03 = 135,435.12 : x
  2. Step 2: Convert to fraction form
    250,156.38/345,216.03 = 135,435.12/x
  3. Step 3: Cross multiply
    250,156.38x = 345,216.03 × 135,435.12
  4. Step 4: Simplify right side
    250,156.38x = 46,754,374,448.97
  5. Step 5: Solve for x
    x = 46,754,374,448.97/250,156.38
  6. Step 6: Final answer
    x = 186,900.59

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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.