Home / 147,463.05-203,506.79-80,399.37

Finding the Fourth Proportional to 147,463.05, 203,506.79 and 80,399.37

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Solution

The fourth proportional to 147,463.05, 203,506.79 and 80,399.37 is: 110,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,463.05 : 203,506.79 = 80,399.37 : x
  2. Step 2: Convert to fraction form
    147,463.05/203,506.79 = 80,399.37/x
  3. Step 3: Cross multiply
    147,463.05x = 203,506.79 × 80,399.37
  4. Step 4: Simplify right side
    147,463.05x = 16,361,817,304.73
  5. Step 5: Solve for x
    x = 16,361,817,304.73/147,463.05
  6. Step 6: Final answer
    x = 110,955.37

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1.5x scale

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.