Home / 134,631.20-202,384.20-115,385.60

Finding the Fourth Proportional to 134,631.20, 202,384.20 and 115,385.60

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Solution

The fourth proportional to 134,631.20, 202,384.20 and 115,385.60 is: 173,453.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,631.20 : 202,384.20 = 115,385.60 : x
  2. Step 2: Convert to fraction form
    134,631.20/202,384.20 = 115,385.60/x
  3. Step 3: Cross multiply
    134,631.20x = 202,384.20 × 115,385.60
  4. Step 4: Simplify right side
    134,631.20x = 23,352,222,347.52
  5. Step 5: Solve for x
    x = 23,352,222,347.52/134,631.20
  6. Step 6: Final answer
    x = 173,453.27

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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.