Home / 240,289.12-331,595.34-131,393.81

Finding the Fourth Proportional to 240,289.12, 331,595.34 and 131,393.81

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Solution

The fourth proportional to 240,289.12, 331,595.34 and 131,393.81 is: 181,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,289.12 : 331,595.34 = 131,393.81 : x
  2. Step 2: Convert to fraction form
    240,289.12/331,595.34 = 131,393.81/x
  3. Step 3: Cross multiply
    240,289.12x = 331,595.34 × 131,393.81
  4. Step 4: Simplify right side
    240,289.12x = 43,569,575,100.85
  5. Step 5: Solve for x
    x = 43,569,575,100.85/240,289.12
  6. Step 6: Final answer
    x = 181,321.46

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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.