Home / 250,298.24-345,412.80-137,121.04

Finding the Fourth Proportional to 250,298.24, 345,412.80 and 137,121.04

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Solution

The fourth proportional to 250,298.24, 345,412.80 and 137,121.04 is: 189,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,298.24 : 345,412.80 = 137,121.04 : x
  2. Step 2: Convert to fraction form
    250,298.24/345,412.80 = 137,121.04/x
  3. Step 3: Cross multiply
    250,298.24x = 345,412.80 × 137,121.04
  4. Step 4: Simplify right side
    250,298.24x = 47,363,362,365.31
  5. Step 5: Solve for x
    x = 47,363,362,365.31/250,298.24
  6. Step 6: Final answer
    x = 189,227.71

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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.