Home / 119,175.84-178,761.60-100,575.36

Finding the Fourth Proportional to 119,175.84, 178,761.60 and 100,575.36

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Solution

The fourth proportional to 119,175.84, 178,761.60 and 100,575.36 is: 150,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,175.84 : 178,761.60 = 100,575.36 : x
  2. Step 2: Convert to fraction form
    119,175.84/178,761.60 = 100,575.36/x
  3. Step 3: Cross multiply
    119,175.84x = 178,761.60 × 100,575.36
  4. Step 4: Simplify right side
    119,175.84x = 17,979,012,274.18
  5. Step 5: Solve for x
    x = 17,979,012,274.18/119,175.84
  6. Step 6: Final answer
    x = 150,861.22

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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.