Home / 129,287.67-193,797.75-49,304.13

Finding the Fourth Proportional to 129,287.67, 193,797.75 and 49,304.13

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Solution

The fourth proportional to 129,287.67, 193,797.75 and 49,304.13 is: 73,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,287.67 : 193,797.75 = 49,304.13 : x
  2. Step 2: Convert to fraction form
    129,287.67/193,797.75 = 49,304.13/x
  3. Step 3: Cross multiply
    129,287.67x = 193,797.75 × 49,304.13
  4. Step 4: Simplify right side
    129,287.67x = 9,555,029,459.71
  5. Step 5: Solve for x
    x = 9,555,029,459.71/129,287.67
  6. Step 6: Final answer
    x = 73,905.19

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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.