Home / 95,136.78-142,706.58-45,222.02

Finding the Fourth Proportional to 95,136.78, 142,706.58 and 45,222.02

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Solution

The fourth proportional to 95,136.78, 142,706.58 and 45,222.02 is: 67,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,136.78 : 142,706.58 = 45,222.02 : x
  2. Step 2: Convert to fraction form
    95,136.78/142,706.58 = 45,222.02/x
  3. Step 3: Cross multiply
    95,136.78x = 142,706.58 × 45,222.02
  4. Step 4: Simplify right side
    95,136.78x = 6,453,479,814.89
  5. Step 5: Solve for x
    x = 6,453,479,814.89/95,136.78
  6. Step 6: Final answer
    x = 67,833.70

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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.