Home / 130,048.10-195,072.15-51,136.10

Finding the Fourth Proportional to 130,048.10, 195,072.15 and 51,136.10

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Solution

The fourth proportional to 130,048.10, 195,072.15 and 51,136.10 is: 76,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,048.10 : 195,072.15 = 51,136.10 : x
  2. Step 2: Convert to fraction form
    130,048.10/195,072.15 = 51,136.10/x
  3. Step 3: Cross multiply
    130,048.10x = 195,072.15 × 51,136.10
  4. Step 4: Simplify right side
    130,048.10x = 9,975,228,969.62
  5. Step 5: Solve for x
    x = 9,975,228,969.62/130,048.10
  6. Step 6: Final answer
    x = 76,704.15

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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.