Home / 129,623.60-194,435.40-36,129.35

Finding the Fourth Proportional to 129,623.60, 194,435.40 and 36,129.35

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Solution

The fourth proportional to 129,623.60, 194,435.40 and 36,129.35 is: 54,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,623.60 : 194,435.40 = 36,129.35 : x
  2. Step 2: Convert to fraction form
    129,623.60/194,435.40 = 36,129.35/x
  3. Step 3: Cross multiply
    129,623.60x = 194,435.40 × 36,129.35
  4. Step 4: Simplify right side
    129,623.60x = 7,024,824,618.99
  5. Step 5: Solve for x
    x = 7,024,824,618.99/129,623.60
  6. Step 6: Final answer
    x = 54,194.03

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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.