Home / 103,520.68-155,313.81-36,959.32

Finding the Fourth Proportional to 103,520.68, 155,313.81 and 36,959.32

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Solution

The fourth proportional to 103,520.68, 155,313.81 and 36,959.32 is: 55,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520.68 : 155,313.81 = 36,959.32 : x
  2. Step 2: Convert to fraction form
    103,520.68/155,313.81 = 36,959.32/x
  3. Step 3: Cross multiply
    103,520.68x = 155,313.81 × 36,959.32
  4. Step 4: Simplify right side
    103,520.68x = 5,740,292,804.21
  5. Step 5: Solve for x
    x = 5,740,292,804.21/103,520.68
  6. Step 6: Final answer
    x = 55,450.69

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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.