Home / 178,538.08-267,808.96-45,418.40

Finding the Fourth Proportional to 178,538.08, 267,808.96 and 45,418.40

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Solution

The fourth proportional to 178,538.08, 267,808.96 and 45,418.40 is: 68,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,538.08 : 267,808.96 = 45,418.40 : x
  2. Step 2: Convert to fraction form
    178,538.08/267,808.96 = 45,418.40/x
  3. Step 3: Cross multiply
    178,538.08x = 267,808.96 × 45,418.40
  4. Step 4: Simplify right side
    178,538.08x = 12,163,454,468.86
  5. Step 5: Solve for x
    x = 12,163,454,468.86/178,538.08
  6. Step 6: Final answer
    x = 68,128.07

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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.