Home / 250,009.40-345,010.35-135,285.54

Finding the Fourth Proportional to 250,009.40, 345,010.35 and 135,285.54

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Solution

The fourth proportional to 250,009.40, 345,010.35 and 135,285.54 is: 186,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,009.40 : 345,010.35 = 135,285.54 : x
  2. Step 2: Convert to fraction form
    250,009.40/345,010.35 = 135,285.54/x
  3. Step 3: Cross multiply
    250,009.40x = 345,010.35 × 135,285.54
  4. Step 4: Simplify right side
    250,009.40x = 46,674,910,998.02
  5. Step 5: Solve for x
    x = 46,674,910,998.02/250,009.40
  6. Step 6: Final answer
    x = 186,692.62

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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.