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Finding the Fourth Proportional to 147,175.20, 205,601.40 and 147,175.20

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Solution

The fourth proportional to 147,175.20, 205,601.40 and 147,175.20 is: 205,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,175.20 : 205,601.40 = 147,175.20 : x
  2. Step 2: Convert to fraction form
    147,175.20/205,601.40 = 147,175.20/x
  3. Step 3: Cross multiply
    147,175.20x = 205,601.40 × 147,175.20
  4. Step 4: Simplify right side
    147,175.20x = 30,259,427,165.28
  5. Step 5: Solve for x
    x = 30,259,427,165.28/147,175.20
  6. Step 6: Final answer
    x = 205,601.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.