Home / 129,730.27-194,579.30-34,967.86

Finding the Fourth Proportional to 129,730.27, 194,579.30 and 34,967.86

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Solution

The fourth proportional to 129,730.27, 194,579.30 and 34,967.86 is: 52,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,730.27 : 194,579.30 = 34,967.86 : x
  2. Step 2: Convert to fraction form
    129,730.27/194,579.30 = 34,967.86/x
  3. Step 3: Cross multiply
    129,730.27x = 194,579.30 × 34,967.86
  4. Step 4: Simplify right side
    129,730.27x = 6,804,021,721.30
  5. Step 5: Solve for x
    x = 6,804,021,721.30/129,730.27
  6. Step 6: Final answer
    x = 52,447.45

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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.