Home / 129,849.40-194,774.10-35,079.40

Finding the Fourth Proportional to 129,849.40, 194,774.10 and 35,079.40

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Solution

The fourth proportional to 129,849.40, 194,774.10 and 35,079.40 is: 52,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,849.40 : 194,774.10 = 35,079.40 : x
  2. Step 2: Convert to fraction form
    129,849.40/194,774.10 = 35,079.40/x
  3. Step 3: Cross multiply
    129,849.40x = 194,774.10 × 35,079.40
  4. Step 4: Simplify right side
    129,849.40x = 6,832,558,563.54
  5. Step 5: Solve for x
    x = 6,832,558,563.54/129,849.40
  6. Step 6: Final answer
    x = 52,619.10

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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.