Home / 250,187.05-345,255.54-135,463.72

Finding the Fourth Proportional to 250,187.05, 345,255.54 and 135,463.72

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Solution

The fourth proportional to 250,187.05, 345,255.54 and 135,463.72 is: 186,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,187.05 : 345,255.54 = 135,463.72 : x
  2. Step 2: Convert to fraction form
    250,187.05/345,255.54 = 135,463.72/x
  3. Step 3: Cross multiply
    250,187.05x = 345,255.54 × 135,463.72
  4. Step 4: Simplify right side
    250,187.05x = 46,769,599,799.01
  5. Step 5: Solve for x
    x = 46,769,599,799.01/250,187.05
  6. Step 6: Final answer
    x = 186,938.53

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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.