Home / 149,766.21-224,714.96-78,672.36

Finding the Fourth Proportional to 149,766.21, 224,714.96 and 78,672.36

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Solution

The fourth proportional to 149,766.21, 224,714.96 and 78,672.36 is: 118,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,766.21 : 224,714.96 = 78,672.36 : x
  2. Step 2: Convert to fraction form
    149,766.21/224,714.96 = 78,672.36/x
  3. Step 3: Cross multiply
    149,766.21x = 224,714.96 × 78,672.36
  4. Step 4: Simplify right side
    149,766.21x = 17,678,855,837.14
  5. Step 5: Solve for x
    x = 17,678,855,837.14/149,766.21
  6. Step 6: Final answer
    x = 118,043.02

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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.