Home / 129,871.10-194,806.65-124,622.30

Finding the Fourth Proportional to 129,871.10, 194,806.65 and 124,622.30

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Solution

The fourth proportional to 129,871.10, 194,806.65 and 124,622.30 is: 186,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,871.10 : 194,806.65 = 124,622.30 : x
  2. Step 2: Convert to fraction form
    129,871.10/194,806.65 = 124,622.30/x
  3. Step 3: Cross multiply
    129,871.10x = 194,806.65 × 124,622.30
  4. Step 4: Simplify right side
    129,871.10x = 24,277,252,778.30
  5. Step 5: Solve for x
    x = 24,277,252,778.30/129,871.10
  6. Step 6: Final answer
    x = 186,933.45

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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.