Home / 94,180.80-141,183.36-31,807.68

Finding the Fourth Proportional to 94,180.80, 141,183.36 and 31,807.68

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Solution

The fourth proportional to 94,180.80, 141,183.36 and 31,807.68 is: 47,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,180.80 : 141,183.36 = 31,807.68 : x
  2. Step 2: Convert to fraction form
    94,180.80/141,183.36 = 31,807.68/x
  3. Step 3: Cross multiply
    94,180.80x = 141,183.36 × 31,807.68
  4. Step 4: Simplify right side
    94,180.80x = 4,490,715,136.20
  5. Step 5: Solve for x
    x = 4,490,715,136.20/94,180.80
  6. Step 6: Final answer
    x = 47,681.85

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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.