Home / 129,264.04-193,890.42-40,515.52

Finding the Fourth Proportional to 129,264.04, 193,890.42 and 40,515.52

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Solution

The fourth proportional to 129,264.04, 193,890.42 and 40,515.52 is: 60,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,264.04 : 193,890.42 = 40,515.52 : x
  2. Step 2: Convert to fraction form
    129,264.04/193,890.42 = 40,515.52/x
  3. Step 3: Cross multiply
    129,264.04x = 193,890.42 × 40,515.52
  4. Step 4: Simplify right side
    129,264.04x = 7,855,571,189.32
  5. Step 5: Solve for x
    x = 7,855,571,189.32/129,264.04
  6. Step 6: Final answer
    x = 60,771.51

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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.