Home / 250,318.65-345,448.55-137,141.49

Finding the Fourth Proportional to 250,318.65, 345,448.55 and 137,141.49

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Solution

The fourth proportional to 250,318.65, 345,448.55 and 137,141.49 is: 189,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,318.65 : 345,448.55 = 137,141.49 : x
  2. Step 2: Convert to fraction form
    250,318.65/345,448.55 = 137,141.49/x
  3. Step 3: Cross multiply
    250,318.65x = 345,448.55 × 137,141.49
  4. Step 4: Simplify right side
    250,318.65x = 47,375,328,179.63
  5. Step 5: Solve for x
    x = 47,375,328,179.63/250,318.65
  6. Step 6: Final answer
    x = 189,260.08

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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.