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Finding the Fourth Proportional to 178,354.45, 246,122.60 and 97,780.21

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Solution

The fourth proportional to 178,354.45, 246,122.60 and 97,780.21 is: 134,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,354.45 : 246,122.60 = 97,780.21 : x
  2. Step 2: Convert to fraction form
    178,354.45/246,122.60 = 97,780.21/x
  3. Step 3: Cross multiply
    178,354.45x = 246,122.60 × 97,780.21
  4. Step 4: Simplify right side
    178,354.45x = 24,065,919,142.89
  5. Step 5: Solve for x
    x = 24,065,919,142.89/178,354.45
  6. Step 6: Final answer
    x = 134,933.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.