Home / 147,853.62-204,074.64-84,229.20

Finding the Fourth Proportional to 147,853.62, 204,074.64 and 84,229.20

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Solution

The fourth proportional to 147,853.62, 204,074.64 and 84,229.20 is: 116,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,853.62 : 204,074.64 = 84,229.20 : x
  2. Step 2: Convert to fraction form
    147,853.62/204,074.64 = 84,229.20/x
  3. Step 3: Cross multiply
    147,853.62x = 204,074.64 × 84,229.20
  4. Step 4: Simplify right side
    147,853.62x = 17,189,043,667.49
  5. Step 5: Solve for x
    x = 17,189,043,667.49/147,853.62
  6. Step 6: Final answer
    x = 116,257.17

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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.