Home / 103,520.52-155,313.60-36,959.20

Finding the Fourth Proportional to 103,520.52, 155,313.60 and 36,959.20

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Solution

The fourth proportional to 103,520.52, 155,313.60 and 36,959.20 is: 55,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520.52 : 155,313.60 = 36,959.20 : x
  2. Step 2: Convert to fraction form
    103,520.52/155,313.60 = 36,959.20/x
  3. Step 3: Cross multiply
    103,520.52x = 155,313.60 × 36,959.20
  4. Step 4: Simplify right side
    103,520.52x = 5,740,266,405.12
  5. Step 5: Solve for x
    x = 5,740,266,405.12/103,520.52
  6. Step 6: Final answer
    x = 55,450.52

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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.