Home / 158,940.24-238,188.64-119,451.12

Finding the Fourth Proportional to 158,940.24, 238,188.64 and 119,451.12

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Solution

The fourth proportional to 158,940.24, 238,188.64 and 119,451.12 is: 179,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,940.24 : 238,188.64 = 119,451.12 : x
  2. Step 2: Convert to fraction form
    158,940.24/238,188.64 = 119,451.12/x
  3. Step 3: Cross multiply
    158,940.24x = 238,188.64 × 119,451.12
  4. Step 4: Simplify right side
    158,940.24x = 28,451,899,819.28
  5. Step 5: Solve for x
    x = 28,451,899,819.28/158,940.24
  6. Step 6: Final answer
    x = 179,010.05

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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.