Home / 129,440.04-194,160.06-40,701.30

Finding the Fourth Proportional to 129,440.04, 194,160.06 and 40,701.30

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Solution

The fourth proportional to 129,440.04, 194,160.06 and 40,701.30 is: 61,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,440.04 : 194,160.06 = 40,701.30 : x
  2. Step 2: Convert to fraction form
    129,440.04/194,160.06 = 40,701.30/x
  3. Step 3: Cross multiply
    129,440.04x = 194,160.06 × 40,701.30
  4. Step 4: Simplify right side
    129,440.04x = 7,902,566,850.08
  5. Step 5: Solve for x
    x = 7,902,566,850.08/129,440.04
  6. Step 6: Final answer
    x = 61,051.95

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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.