Home / 225,231.12-310,683.89-148,750.38

Finding the Fourth Proportional to 225,231.12, 310,683.89 and 148,750.38

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Solution

The fourth proportional to 225,231.12, 310,683.89 and 148,750.38 is: 205,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,231.12 : 310,683.89 = 148,750.38 : x
  2. Step 2: Convert to fraction form
    225,231.12/310,683.89 = 148,750.38/x
  3. Step 3: Cross multiply
    225,231.12x = 310,683.89 × 148,750.38
  4. Step 4: Simplify right side
    225,231.12x = 46,214,347,069.25
  5. Step 5: Solve for x
    x = 46,214,347,069.25/225,231.12
  6. Step 6: Final answer
    x = 205,186.33

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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.