Home / 250,282.72-345,388.06-135,558.70

Finding the Fourth Proportional to 250,282.72, 345,388.06 and 135,558.70

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Solution

The fourth proportional to 250,282.72, 345,388.06 and 135,558.70 is: 187,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,282.72 : 345,388.06 = 135,558.70 : x
  2. Step 2: Convert to fraction form
    250,282.72/345,388.06 = 135,558.70/x
  3. Step 3: Cross multiply
    250,282.72x = 345,388.06 × 135,558.70
  4. Step 4: Simplify right side
    250,282.72x = 46,820,356,409.12
  5. Step 5: Solve for x
    x = 46,820,356,409.12/250,282.72
  6. Step 6: Final answer
    x = 187,069.87

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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.