Home / 107,499.04-161,318.79-40,939.81

Finding the Fourth Proportional to 107,499.04, 161,318.79 and 40,939.81

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Solution

The fourth proportional to 107,499.04, 161,318.79 and 40,939.81 is: 61,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,499.04 : 161,318.79 = 40,939.81 : x
  2. Step 2: Convert to fraction form
    107,499.04/161,318.79 = 40,939.81/x
  3. Step 3: Cross multiply
    107,499.04x = 161,318.79 × 40,939.81
  4. Step 4: Simplify right side
    107,499.04x = 6,604,360,612.03
  5. Step 5: Solve for x
    x = 6,604,360,612.03/107,499.04
  6. Step 6: Final answer
    x = 61,436.46

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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.