Home / 147,052.54-220,574.19-80,908.43

Finding the Fourth Proportional to 147,052.54, 220,574.19 and 80,908.43

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Solution

The fourth proportional to 147,052.54, 220,574.19 and 80,908.43 is: 121,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,052.54 : 220,574.19 = 80,908.43 : x
  2. Step 2: Convert to fraction form
    147,052.54/220,574.19 = 80,908.43/x
  3. Step 3: Cross multiply
    147,052.54x = 220,574.19 × 80,908.43
  4. Step 4: Simplify right side
    147,052.54x = 17,846,311,411.42
  5. Step 5: Solve for x
    x = 17,846,311,411.42/147,052.54
  6. Step 6: Final answer
    x = 121,360.10

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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.