Home / 178,256.63-267,385.55-45,136.82

Finding the Fourth Proportional to 178,256.63, 267,385.55 and 45,136.82

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Solution

The fourth proportional to 178,256.63, 267,385.55 and 45,136.82 is: 67,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,256.63 : 267,385.55 = 45,136.82 : x
  2. Step 2: Convert to fraction form
    178,256.63/267,385.55 = 45,136.82/x
  3. Step 3: Cross multiply
    178,256.63x = 267,385.55 × 45,136.82
  4. Step 4: Simplify right side
    178,256.63x = 12,068,933,215.27
  5. Step 5: Solve for x
    x = 12,068,933,215.27/178,256.63
  6. Step 6: Final answer
    x = 67,705.38

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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.