Home / 129,633.48-194,443.70-50,762.20

Finding the Fourth Proportional to 129,633.48, 194,443.70 and 50,762.20

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Solution

The fourth proportional to 129,633.48, 194,443.70 and 50,762.20 is: 76,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,633.48 : 194,443.70 = 50,762.20 : x
  2. Step 2: Convert to fraction form
    129,633.48/194,443.70 = 50,762.20/x
  3. Step 3: Cross multiply
    129,633.48x = 194,443.70 × 50,762.20
  4. Step 4: Simplify right side
    129,633.48x = 9,870,389,988.14
  5. Step 5: Solve for x
    x = 9,870,389,988.14/129,633.48
  6. Step 6: Final answer
    x = 76,140.75

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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.