Home / 154,664.76-231,997.25-42,345.90

Finding the Fourth Proportional to 154,664.76, 231,997.25 and 42,345.90

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Solution

The fourth proportional to 154,664.76, 231,997.25 and 42,345.90 is: 63,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,664.76 : 231,997.25 = 42,345.90 : x
  2. Step 2: Convert to fraction form
    154,664.76/231,997.25 = 42,345.90/x
  3. Step 3: Cross multiply
    154,664.76x = 231,997.25 × 42,345.90
  4. Step 4: Simplify right side
    154,664.76x = 9,824,132,137.05
  5. Step 5: Solve for x
    x = 9,824,132,137.05/154,664.76
  6. Step 6: Final answer
    x = 63,518.88

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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.