Home / 129,983.04-194,986.44-36,488.16

Finding the Fourth Proportional to 129,983.04, 194,986.44 and 36,488.16

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Solution

The fourth proportional to 129,983.04, 194,986.44 and 36,488.16 is: 54,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.04 : 194,986.44 = 36,488.16 : x
  2. Step 2: Convert to fraction form
    129,983.04/194,986.44 = 36,488.16/x
  3. Step 3: Cross multiply
    129,983.04x = 194,986.44 × 36,488.16
  4. Step 4: Simplify right side
    129,983.04x = 7,114,696,420.55
  5. Step 5: Solve for x
    x = 7,114,696,420.55/129,983.04
  6. Step 6: Final answer
    x = 54,735.57

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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.