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Finding the Fourth Proportional to 172,854.18, 259,276.32 and 94,464.90

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Solution

The fourth proportional to 172,854.18, 259,276.32 and 94,464.90 is: 141,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854.18 : 259,276.32 = 94,464.90 : x
  2. Step 2: Convert to fraction form
    172,854.18/259,276.32 = 94,464.90/x
  3. Step 3: Cross multiply
    172,854.18x = 259,276.32 × 94,464.90
  4. Step 4: Simplify right side
    172,854.18x = 24,492,511,641.17
  5. Step 5: Solve for x
    x = 24,492,511,641.17/172,854.18
  6. Step 6: Final answer
    x = 141,694.64

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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.