Home / 178,538.54-267,809.34-45,418.92

Finding the Fourth Proportional to 178,538.54, 267,809.34 and 45,418.92

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Solution

The fourth proportional to 178,538.54, 267,809.34 and 45,418.92 is: 68,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,538.54 : 267,809.34 = 45,418.92 : x
  2. Step 2: Convert to fraction form
    178,538.54/267,809.34 = 45,418.92/x
  3. Step 3: Cross multiply
    178,538.54x = 267,809.34 × 45,418.92
  4. Step 4: Simplify right side
    178,538.54x = 12,163,610,988.71
  5. Step 5: Solve for x
    x = 12,163,610,988.71/178,538.54
  6. Step 6: Final answer
    x = 68,128.77

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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.