Home / 109,720.31-164,628.02-38,693.73

Finding the Fourth Proportional to 109,720.31, 164,628.02 and 38,693.73

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Solution

The fourth proportional to 109,720.31, 164,628.02 and 38,693.73 is: 58,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,720.31 : 164,628.02 = 38,693.73 : x
  2. Step 2: Convert to fraction form
    109,720.31/164,628.02 = 38,693.73/x
  3. Step 3: Cross multiply
    109,720.31x = 164,628.02 × 38,693.73
  4. Step 4: Simplify right side
    109,720.31x = 6,370,071,372.53
  5. Step 5: Solve for x
    x = 6,370,071,372.53/109,720.31
  6. Step 6: Final answer
    x = 58,057.36

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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.