Home / 133,014.45-199,545.98-54,136.65

Finding the Fourth Proportional to 133,014.45, 199,545.98 and 54,136.65

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Solution

The fourth proportional to 133,014.45, 199,545.98 and 54,136.65 is: 81,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,014.45 : 199,545.98 = 54,136.65 : x
  2. Step 2: Convert to fraction form
    133,014.45/199,545.98 = 54,136.65/x
  3. Step 3: Cross multiply
    133,014.45x = 199,545.98 × 54,136.65
  4. Step 4: Simplify right side
    133,014.45x = 10,802,750,607.48
  5. Step 5: Solve for x
    x = 10,802,750,607.48/133,014.45
  6. Step 6: Final answer
    x = 81,214.87

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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.