Home / 107,931.42-161,804.79-41,419.28

Finding the Fourth Proportional to 107,931.42, 161,804.79 and 41,419.28

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Solution

The fourth proportional to 107,931.42, 161,804.79 and 41,419.28 is: 62,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,931.42 : 161,804.79 = 41,419.28 : x
  2. Step 2: Convert to fraction form
    107,931.42/161,804.79 = 41,419.28/x
  3. Step 3: Cross multiply
    107,931.42x = 161,804.79 × 41,419.28
  4. Step 4: Simplify right side
    107,931.42x = 6,701,838,306.86
  5. Step 5: Solve for x
    x = 6,701,838,306.86/107,931.42
  6. Step 6: Final answer
    x = 62,093.49

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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.