Home / 136,629.45-204,894.86-57,749.76

Finding the Fourth Proportional to 136,629.45, 204,894.86 and 57,749.76

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Solution

The fourth proportional to 136,629.45, 204,894.86 and 57,749.76 is: 86,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,629.45 : 204,894.86 = 57,749.76 : x
  2. Step 2: Convert to fraction form
    136,629.45/204,894.86 = 57,749.76/x
  3. Step 3: Cross multiply
    136,629.45x = 204,894.86 × 57,749.76
  4. Step 4: Simplify right side
    136,629.45x = 11,832,628,701.48
  5. Step 5: Solve for x
    x = 11,832,628,701.48/136,629.45
  6. Step 6: Final answer
    x = 86,603.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.