Home / 250,238.73-345,331.15-135,517.47

Finding the Fourth Proportional to 250,238.73, 345,331.15 and 135,517.47

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Solution

The fourth proportional to 250,238.73, 345,331.15 and 135,517.47 is: 187,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,238.73 : 345,331.15 = 135,517.47 : x
  2. Step 2: Convert to fraction form
    250,238.73/345,331.15 = 135,517.47/x
  3. Step 3: Cross multiply
    250,238.73x = 345,331.15 × 135,517.47
  4. Step 4: Simplify right side
    250,238.73x = 46,798,404,068.89
  5. Step 5: Solve for x
    x = 46,798,404,068.89/250,238.73
  6. Step 6: Final answer
    x = 187,015.03

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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.