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Finding the Fourth Proportional to 178,122.78, 267,159.47 and 44,994.83

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Solution

The fourth proportional to 178,122.78, 267,159.47 and 44,994.83 is: 67,486.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,122.78 : 267,159.47 = 44,994.83 : x
  2. Step 2: Convert to fraction form
    178,122.78/267,159.47 = 44,994.83/x
  3. Step 3: Cross multiply
    178,122.78x = 267,159.47 × 44,994.83
  4. Step 4: Simplify right side
    178,122.78x = 12,020,793,374.77
  5. Step 5: Solve for x
    x = 12,020,793,374.77/178,122.78
  6. Step 6: Final answer
    x = 67,486.00

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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.