Home / 133,036.40-199,554.60-109,416.80

Finding the Fourth Proportional to 133,036.40, 199,554.60 and 109,416.80

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Solution

The fourth proportional to 133,036.40, 199,554.60 and 109,416.80 is: 164,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,036.40 : 199,554.60 = 109,416.80 : x
  2. Step 2: Convert to fraction form
    133,036.40/199,554.60 = 109,416.80/x
  3. Step 3: Cross multiply
    133,036.40x = 199,554.60 × 109,416.80
  4. Step 4: Simplify right side
    133,036.40x = 21,834,625,757.28
  5. Step 5: Solve for x
    x = 21,834,625,757.28/133,036.40
  6. Step 6: Final answer
    x = 164,125.20

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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.