Home / 149,045.88-223,568.79-86,672.64

Finding the Fourth Proportional to 149,045.88, 223,568.79 and 86,672.64

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Solution

The fourth proportional to 149,045.88, 223,568.79 and 86,672.64 is: 130,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,045.88 : 223,568.79 = 86,672.64 : x
  2. Step 2: Convert to fraction form
    149,045.88/223,568.79 = 86,672.64/x
  3. Step 3: Cross multiply
    149,045.88x = 223,568.79 × 86,672.64
  4. Step 4: Simplify right side
    149,045.88x = 19,377,297,250.91
  5. Step 5: Solve for x
    x = 19,377,297,250.91/149,045.88
  6. Step 6: Final answer
    x = 130,008.94

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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.