Home / 129,554.59-194,168.16-69,433.66

Finding the Fourth Proportional to 129,554.59, 194,168.16 and 69,433.66

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Solution

The fourth proportional to 129,554.59, 194,168.16 and 69,433.66 is: 104,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,554.59 : 194,168.16 = 69,433.66 : x
  2. Step 2: Convert to fraction form
    129,554.59/194,168.16 = 69,433.66/x
  3. Step 3: Cross multiply
    129,554.59x = 194,168.16 × 69,433.66
  4. Step 4: Simplify right side
    129,554.59x = 13,481,806,004.27
  5. Step 5: Solve for x
    x = 13,481,806,004.27/129,554.59
  6. Step 6: Final answer
    x = 104,062.74

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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.