Home / 119,175.76-178,786.68-45,298

Finding the Fourth Proportional to 119,175.76, 178,786.68 and 45,298

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Solution

The fourth proportional to 119,175.76, 178,786.68 and 45,298 is: 67,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,175.76 : 178,786.68 = 45,298 : x
  2. Step 2: Convert to fraction form
    119,175.76/178,786.68 = 45,298/x
  3. Step 3: Cross multiply
    119,175.76x = 178,786.68 × 45,298
  4. Step 4: Simplify right side
    119,175.76x = 8,098,679,030.64
  5. Step 5: Solve for x
    x = 8,098,679,030.64/119,175.76
  6. Step 6: Final answer
    x = 67,955.76

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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.