Home / 250,228.10-345,314.96-135,507.65

Finding the Fourth Proportional to 250,228.10, 345,314.96 and 135,507.65

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Solution

The fourth proportional to 250,228.10, 345,314.96 and 135,507.65 is: 187,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,228.10 : 345,314.96 = 135,507.65 : x
  2. Step 2: Convert to fraction form
    250,228.10/345,314.96 = 135,507.65/x
  3. Step 3: Cross multiply
    250,228.10x = 345,314.96 × 135,507.65
  4. Step 4: Simplify right side
    250,228.10x = 46,792,816,843.48
  5. Step 5: Solve for x
    x = 46,792,816,843.48/250,228.10
  6. Step 6: Final answer
    x = 187,000.65

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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.