Home / 129,697.60-194,603.58-54,869.38

Finding the Fourth Proportional to 129,697.60, 194,603.58 and 54,869.38

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Solution

The fourth proportional to 129,697.60, 194,603.58 and 54,869.38 is: 82,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,697.60 : 194,603.58 = 54,869.38 : x
  2. Step 2: Convert to fraction form
    129,697.60/194,603.58 = 54,869.38/x
  3. Step 3: Cross multiply
    129,697.60x = 194,603.58 × 54,869.38
  4. Step 4: Simplify right side
    129,697.60x = 10,677,777,780.38
  5. Step 5: Solve for x
    x = 10,677,777,780.38/129,697.60
  6. Step 6: Final answer
    x = 82,328.26

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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.