Home / 269,960.02-405,013.85-118,129.49

Finding the Fourth Proportional to 269,960.02, 405,013.85 and 118,129.49

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Solution

The fourth proportional to 269,960.02, 405,013.85 and 118,129.49 is: 177,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,960.02 : 405,013.85 = 118,129.49 : x
  2. Step 2: Convert to fraction form
    269,960.02/405,013.85 = 118,129.49/x
  3. Step 3: Cross multiply
    269,960.02x = 405,013.85 × 118,129.49
  4. Step 4: Simplify right side
    269,960.02x = 47,844,081,832.19
  5. Step 5: Solve for x
    x = 47,844,081,832.19/269,960.02
  6. Step 6: Final answer
    x = 177,226.54

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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.