Home / 129,825.32-194,737.98-103,696.15

Finding the Fourth Proportional to 129,825.32, 194,737.98 and 103,696.15

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Solution

The fourth proportional to 129,825.32, 194,737.98 and 103,696.15 is: 155,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,825.32 : 194,737.98 = 103,696.15 : x
  2. Step 2: Convert to fraction form
    129,825.32/194,737.98 = 103,696.15/x
  3. Step 3: Cross multiply
    129,825.32x = 194,737.98 × 103,696.15
  4. Step 4: Simplify right side
    129,825.32x = 20,193,578,784.78
  5. Step 5: Solve for x
    x = 20,193,578,784.78/129,825.32
  6. Step 6: Final answer
    x = 155,544.23

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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.