Home / 240,890.06-332,419.46-138,919.82

Finding the Fourth Proportional to 240,890.06, 332,419.46 and 138,919.82

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Solution

The fourth proportional to 240,890.06, 332,419.46 and 138,919.82 is: 191,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,890.06 : 332,419.46 = 138,919.82 : x
  2. Step 2: Convert to fraction form
    240,890.06/332,419.46 = 138,919.82/x
  3. Step 3: Cross multiply
    240,890.06x = 332,419.46 × 138,919.82
  4. Step 4: Simplify right side
    240,890.06x = 46,179,651,547.70
  5. Step 5: Solve for x
    x = 46,179,651,547.70/240,890.06
  6. Step 6: Final answer
    x = 191,704.26

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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.