Home / 250,282.80-345,387.49-135,558.58

Finding the Fourth Proportional to 250,282.80, 345,387.49 and 135,558.58

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Solution

The fourth proportional to 250,282.80, 345,387.49 and 135,558.58 is: 187,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,282.80 : 345,387.49 = 135,558.58 : x
  2. Step 2: Convert to fraction form
    250,282.80/345,387.49 = 135,558.58/x
  3. Step 3: Cross multiply
    250,282.80x = 345,387.49 × 135,558.58
  4. Step 4: Simplify right side
    250,282.80x = 46,820,237,694.16
  5. Step 5: Solve for x
    x = 46,820,237,694.16/250,282.80
  6. Step 6: Final answer
    x = 187,069.34

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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.