Home / 129,748.29-194,530.15-49,718.44

Finding the Fourth Proportional to 129,748.29, 194,530.15 and 49,718.44

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Solution

The fourth proportional to 129,748.29, 194,530.15 and 49,718.44 is: 74,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,748.29 : 194,530.15 = 49,718.44 : x
  2. Step 2: Convert to fraction form
    129,748.29/194,530.15 = 49,718.44/x
  3. Step 3: Cross multiply
    129,748.29x = 194,530.15 × 49,718.44
  4. Step 4: Simplify right side
    129,748.29x = 9,671,734,980.34
  5. Step 5: Solve for x
    x = 9,671,734,980.34/129,748.29
  6. Step 6: Final answer
    x = 74,542.29

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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.