Home / 178,579.12-246,460.44-103,126

Finding the Fourth Proportional to 178,579.12, 246,460.44 and 103,126

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Solution

The fourth proportional to 178,579.12, 246,460.44 and 103,126 is: 142,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,579.12 : 246,460.44 = 103,126 : x
  2. Step 2: Convert to fraction form
    178,579.12/246,460.44 = 103,126/x
  3. Step 3: Cross multiply
    178,579.12x = 246,460.44 × 103,126
  4. Step 4: Simplify right side
    178,579.12x = 25,416,479,335.44
  5. Step 5: Solve for x
    x = 25,416,479,335.44/178,579.12
  6. Step 6: Final answer
    x = 142,326.15

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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.