Home / 136,639.56-204,969.06-43,144.50

Finding the Fourth Proportional to 136,639.56, 204,969.06 and 43,144.50

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Solution

The fourth proportional to 136,639.56, 204,969.06 and 43,144.50 is: 64,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,639.56 : 204,969.06 = 43,144.50 : x
  2. Step 2: Convert to fraction form
    136,639.56/204,969.06 = 43,144.50/x
  3. Step 3: Cross multiply
    136,639.56x = 204,969.06 × 43,144.50
  4. Step 4: Simplify right side
    136,639.56x = 8,843,287,609.17
  5. Step 5: Solve for x
    x = 8,843,287,609.17/136,639.56
  6. Step 6: Final answer
    x = 64,719.82

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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.