Home / 109,539.36-164,318.13-30,653.46

Finding the Fourth Proportional to 109,539.36, 164,318.13 and 30,653.46

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Solution

The fourth proportional to 109,539.36, 164,318.13 and 30,653.46 is: 45,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,539.36 : 164,318.13 = 30,653.46 : x
  2. Step 2: Convert to fraction form
    109,539.36/164,318.13 = 30,653.46/x
  3. Step 3: Cross multiply
    109,539.36x = 164,318.13 × 30,653.46
  4. Step 4: Simplify right side
    109,539.36x = 5,036,919,225.23
  5. Step 5: Solve for x
    x = 5,036,919,225.23/109,539.36
  6. Step 6: Final answer
    x = 45,982.73

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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.