Home / 129,685.11-194,527.73-34,915.51

Finding the Fourth Proportional to 129,685.11, 194,527.73 and 34,915.51

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Solution

The fourth proportional to 129,685.11, 194,527.73 and 34,915.51 is: 52,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,685.11 : 194,527.73 = 34,915.51 : x
  2. Step 2: Convert to fraction form
    129,685.11/194,527.73 = 34,915.51/x
  3. Step 3: Cross multiply
    129,685.11x = 194,527.73 × 34,915.51
  4. Step 4: Simplify right side
    129,685.11x = 6,792,034,902.09
  5. Step 5: Solve for x
    x = 6,792,034,902.09/129,685.11
  6. Step 6: Final answer
    x = 52,373.28

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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.