Home / 129,708.60-194,563.62-36,215.16

Finding the Fourth Proportional to 129,708.60, 194,563.62 and 36,215.16

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Solution

The fourth proportional to 129,708.60, 194,563.62 and 36,215.16 is: 54,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,708.60 : 194,563.62 = 36,215.16 : x
  2. Step 2: Convert to fraction form
    129,708.60/194,563.62 = 36,215.16/x
  3. Step 3: Cross multiply
    129,708.60x = 194,563.62 × 36,215.16
  4. Step 4: Simplify right side
    129,708.60x = 7,046,152,628.48
  5. Step 5: Solve for x
    x = 7,046,152,628.48/129,708.60
  6. Step 6: Final answer
    x = 54,322.94

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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.