Home / 206,314.86-309,455.28-146,094.60

Finding the Fourth Proportional to 206,314.86, 309,455.28 and 146,094.60

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Solution

The fourth proportional to 206,314.86, 309,455.28 and 146,094.60 is: 219,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,314.86 : 309,455.28 = 146,094.60 : x
  2. Step 2: Convert to fraction form
    206,314.86/309,455.28 = 146,094.60/x
  3. Step 3: Cross multiply
    206,314.86x = 309,455.28 × 146,094.60
  4. Step 4: Simplify right side
    206,314.86x = 45,209,745,349.49
  5. Step 5: Solve for x
    x = 45,209,745,349.49/206,314.86
  6. Step 6: Final answer
    x = 219,129.85

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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.