Home / 129,666.47-194,499.70-34,896.87

Finding the Fourth Proportional to 129,666.47, 194,499.70 and 34,896.87

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Solution

The fourth proportional to 129,666.47, 194,499.70 and 34,896.87 is: 52,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,666.47 : 194,499.70 = 34,896.87 : x
  2. Step 2: Convert to fraction form
    129,666.47/194,499.70 = 34,896.87/x
  3. Step 3: Cross multiply
    129,666.47x = 194,499.70 × 34,896.87
  4. Step 4: Simplify right side
    129,666.47x = 6,787,429,860.68
  5. Step 5: Solve for x
    x = 6,787,429,860.68/129,666.47
  6. Step 6: Final answer
    x = 52,345.30

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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.