Home / 250,212.33-345,280.19-137,032.65

Finding the Fourth Proportional to 250,212.33, 345,280.19 and 137,032.65

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Solution

The fourth proportional to 250,212.33, 345,280.19 and 137,032.65 is: 189,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,212.33 : 345,280.19 = 137,032.65 : x
  2. Step 2: Convert to fraction form
    250,212.33/345,280.19 = 137,032.65/x
  3. Step 3: Cross multiply
    250,212.33x = 345,280.19 × 137,032.65
  4. Step 4: Simplify right side
    250,212.33x = 47,314,658,743.04
  5. Step 5: Solve for x
    x = 47,314,658,743.04/250,212.33
  6. Step 6: Final answer
    x = 189,098.03

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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.