Home / 129,933.38-194,900.07-31,437.38

Finding the Fourth Proportional to 129,933.38, 194,900.07 and 31,437.38

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Solution

The fourth proportional to 129,933.38, 194,900.07 and 31,437.38 is: 47,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,933.38 : 194,900.07 = 31,437.38 : x
  2. Step 2: Convert to fraction form
    129,933.38/194,900.07 = 31,437.38/x
  3. Step 3: Cross multiply
    129,933.38x = 194,900.07 × 31,437.38
  4. Step 4: Simplify right side
    129,933.38x = 6,127,146,588.12
  5. Step 5: Solve for x
    x = 6,127,146,588.12/129,933.38
  6. Step 6: Final answer
    x = 47,156.06

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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.