Home / 107,476.23-161,215.86-40,920.00

Finding the Fourth Proportional to 107,476.23, 161,215.86 and 40,920.00

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Solution

The fourth proportional to 107,476.23, 161,215.86 and 40,920.00 is: 61,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,476.23 : 161,215.86 = 40,920.00 : x
  2. Step 2: Convert to fraction form
    107,476.23/161,215.86 = 40,920.00/x
  3. Step 3: Cross multiply
    107,476.23x = 161,215.86 × 40,920.00
  4. Step 4: Simplify right side
    107,476.23x = 6,596,952,540.09
  5. Step 5: Solve for x
    x = 6,596,952,540.09/107,476.23
  6. Step 6: Final answer
    x = 61,380.57

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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.