Home / 107,439.34-161,159.00-40,864.09

Finding the Fourth Proportional to 107,439.34, 161,159.00 and 40,864.09

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Solution

The fourth proportional to 107,439.34, 161,159.00 and 40,864.09 is: 61,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,439.34 : 161,159.00 = 40,864.09 : x
  2. Step 2: Convert to fraction form
    107,439.34/161,159.00 = 40,864.09/x
  3. Step 3: Cross multiply
    107,439.34x = 161,159.00 × 40,864.09
  4. Step 4: Simplify right side
    107,439.34x = 6,585,615,176.68
  5. Step 5: Solve for x
    x = 6,585,615,176.68/107,439.34
  6. Step 6: Final answer
    x = 61,296.13

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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.