Home / 107,707.22-161,310.03-103,970.42

Finding the Fourth Proportional to 107,707.22, 161,310.03 and 103,970.42

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Solution

The fourth proportional to 107,707.22, 161,310.03 and 103,970.42 is: 155,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,707.22 : 161,310.03 = 103,970.42 : x
  2. Step 2: Convert to fraction form
    107,707.22/161,310.03 = 103,970.42/x
  3. Step 3: Cross multiply
    107,707.22x = 161,310.03 × 103,970.42
  4. Step 4: Simplify right side
    107,707.22x = 16,771,471,569.31
  5. Step 5: Solve for x
    x = 16,771,471,569.31/107,707.22
  6. Step 6: Final answer
    x = 155,713.53

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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.