Home / 103,631.10-155,528.67-40,481.48

Finding the Fourth Proportional to 103,631.10, 155,528.67 and 40,481.48

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Solution

The fourth proportional to 103,631.10, 155,528.67 and 40,481.48 is: 60,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.10 : 155,528.67 = 40,481.48 : x
  2. Step 2: Convert to fraction form
    103,631.10/155,528.67 = 40,481.48/x
  3. Step 3: Cross multiply
    103,631.10x = 155,528.67 × 40,481.48
  4. Step 4: Simplify right side
    103,631.10x = 6,296,029,966.39
  5. Step 5: Solve for x
    x = 6,296,029,966.39/103,631.10
  6. Step 6: Final answer
    x = 60,754.25

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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.