Home / 136,630.45-204,896.35-57,750.76

Finding the Fourth Proportional to 136,630.45, 204,896.35 and 57,750.76

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Solution

The fourth proportional to 136,630.45, 204,896.35 and 57,750.76 is: 86,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,630.45 : 204,896.35 = 57,750.76 : x
  2. Step 2: Convert to fraction form
    136,630.45/204,896.35 = 57,750.76/x
  3. Step 3: Cross multiply
    136,630.45x = 204,896.35 × 57,750.76
  4. Step 4: Simplify right side
    136,630.45x = 11,832,919,933.73
  5. Step 5: Solve for x
    x = 11,832,919,933.73/136,630.45
  6. Step 6: Final answer
    x = 86,605.29

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1.5x scale

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.