Home / 110,455.38-165,688.53-31,581.21

Finding the Fourth Proportional to 110,455.38, 165,688.53 and 31,581.21

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Solution

The fourth proportional to 110,455.38, 165,688.53 and 31,581.21 is: 47,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,455.38 : 165,688.53 = 31,581.21 : x
  2. Step 2: Convert to fraction form
    110,455.38/165,688.53 = 31,581.21/x
  3. Step 3: Cross multiply
    110,455.38x = 165,688.53 × 31,581.21
  4. Step 4: Simplify right side
    110,455.38x = 5,232,644,260.52
  5. Step 5: Solve for x
    x = 5,232,644,260.52/110,455.38
  6. Step 6: Final answer
    x = 47,373.38

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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.