Home / 269,648.12-404,558.52-129,416.60

Finding the Fourth Proportional to 269,648.12, 404,558.52 and 129,416.60

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Solution

The fourth proportional to 269,648.12, 404,558.52 and 129,416.60 is: 194,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,648.12 : 404,558.52 = 129,416.60 : x
  2. Step 2: Convert to fraction form
    269,648.12/404,558.52 = 129,416.60/x
  3. Step 3: Cross multiply
    269,648.12x = 404,558.52 × 129,416.60
  4. Step 4: Simplify right side
    269,648.12x = 52,356,588,159.43
  5. Step 5: Solve for x
    x = 52,356,588,159.43/269,648.12
  6. Step 6: Final answer
    x = 194,166.34

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1.5x scale

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.