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Finding the Fourth Proportional to 158,873.40, 238,093.83 and 80,041.77

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Solution

The fourth proportional to 158,873.40, 238,093.83 and 80,041.77 is: 119,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,873.40 : 238,093.83 = 80,041.77 : x
  2. Step 2: Convert to fraction form
    158,873.40/238,093.83 = 80,041.77/x
  3. Step 3: Cross multiply
    158,873.40x = 238,093.83 × 80,041.77
  4. Step 4: Simplify right side
    158,873.40x = 19,057,451,579.28
  5. Step 5: Solve for x
    x = 19,057,451,579.28/158,873.40
  6. Step 6: Final answer
    x = 119,953.70

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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.