Home / 178,526.78-267,789-45,405.88

Finding the Fourth Proportional to 178,526.78, 267,789 and 45,405.88

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Solution

The fourth proportional to 178,526.78, 267,789 and 45,405.88 is: 68,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,526.78 : 267,789 = 45,405.88 : x
  2. Step 2: Convert to fraction form
    178,526.78/267,789 = 45,405.88/x
  3. Step 3: Cross multiply
    178,526.78x = 267,789 × 45,405.88
  4. Step 4: Simplify right side
    178,526.78x = 12,159,194,529.85
  5. Step 5: Solve for x
    x = 12,159,194,529.85/178,526.78
  6. Step 6: Final answer
    x = 68,108.52

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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.