Home / 136,136.09-204,141.67-80,002.62

Finding the Fourth Proportional to 136,136.09, 204,141.67 and 80,002.62

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Solution

The fourth proportional to 136,136.09, 204,141.67 and 80,002.62 is: 119,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,136.09 : 204,141.67 = 80,002.62 : x
  2. Step 2: Convert to fraction form
    136,136.09/204,141.67 = 80,002.62/x
  3. Step 3: Cross multiply
    136,136.09x = 204,141.67 × 80,002.62
  4. Step 4: Simplify right side
    136,136.09x = 16,331,868,251.17
  5. Step 5: Solve for x
    x = 16,331,868,251.17/136,136.09
  6. Step 6: Final answer
    x = 119,967.22

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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.