Home / 129,916.58-194,862.11-88,065.50

Finding the Fourth Proportional to 129,916.58, 194,862.11 and 88,065.50

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Solution

The fourth proportional to 129,916.58, 194,862.11 and 88,065.50 is: 132,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,916.58 : 194,862.11 = 88,065.50 : x
  2. Step 2: Convert to fraction form
    129,916.58/194,862.11 = 88,065.50/x
  3. Step 3: Cross multiply
    129,916.58x = 194,862.11 × 88,065.50
  4. Step 4: Simplify right side
    129,916.58x = 17,160,627,733.57
  5. Step 5: Solve for x
    x = 17,160,627,733.57/129,916.58
  6. Step 6: Final answer
    x = 132,089.59

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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.