Home / 129,823.32-194,734.98-103,694.15

Finding the Fourth Proportional to 129,823.32, 194,734.98 and 103,694.15

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Solution

The fourth proportional to 129,823.32, 194,734.98 and 103,694.15 is: 155,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,823.32 : 194,734.98 = 103,694.15 : x
  2. Step 2: Convert to fraction form
    129,823.32/194,734.98 = 103,694.15/x
  3. Step 3: Cross multiply
    129,823.32x = 194,734.98 × 103,694.15
  4. Step 4: Simplify right side
    129,823.32x = 20,192,877,252.69
  5. Step 5: Solve for x
    x = 20,192,877,252.69/129,823.32
  6. Step 6: Final answer
    x = 155,541.22

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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.