Home / 240,129.14-331,384.86-132,705.92

Finding the Fourth Proportional to 240,129.14, 331,384.86 and 132,705.92

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Solution

The fourth proportional to 240,129.14, 331,384.86 and 132,705.92 is: 183,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,129.14 : 331,384.86 = 132,705.92 : x
  2. Step 2: Convert to fraction form
    240,129.14/331,384.86 = 132,705.92/x
  3. Step 3: Cross multiply
    240,129.14x = 331,384.86 × 132,705.92
  4. Step 4: Simplify right side
    240,129.14x = 43,976,732,720.37
  5. Step 5: Solve for x
    x = 43,976,732,720.37/240,129.14
  6. Step 6: Final answer
    x = 183,137.84

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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.