Home / 119,943.91-165,462.81-71,511.68

Finding the Fourth Proportional to 119,943.91, 165,462.81 and 71,511.68

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Solution

The fourth proportional to 119,943.91, 165,462.81 and 71,511.68 is: 98,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,943.91 : 165,462.81 = 71,511.68 : x
  2. Step 2: Convert to fraction form
    119,943.91/165,462.81 = 71,511.68/x
  3. Step 3: Cross multiply
    119,943.91x = 165,462.81 × 71,511.68
  4. Step 4: Simplify right side
    119,943.91x = 11,832,523,884.49
  5. Step 5: Solve for x
    x = 11,832,523,884.49/119,943.91
  6. Step 6: Final answer
    x = 98,650.48

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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.