Home / 107,619.18-161,434.24-36,550.18

Finding the Fourth Proportional to 107,619.18, 161,434.24 and 36,550.18

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Solution

The fourth proportional to 107,619.18, 161,434.24 and 36,550.18 is: 54,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,619.18 : 161,434.24 = 36,550.18 : x
  2. Step 2: Convert to fraction form
    107,619.18/161,434.24 = 36,550.18/x
  3. Step 3: Cross multiply
    107,619.18x = 161,434.24 × 36,550.18
  4. Step 4: Simplify right side
    107,619.18x = 5,900,450,347.41
  5. Step 5: Solve for x
    x = 5,900,450,347.41/107,619.18
  6. Step 6: Final answer
    x = 54,827.13

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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.