Home / 107,241.81-148,006.82-61,919.71

Finding the Fourth Proportional to 107,241.81, 148,006.82 and 61,919.71

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Solution

The fourth proportional to 107,241.81, 148,006.82 and 61,919.71 is: 85,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,241.81 : 148,006.82 = 61,919.71 : x
  2. Step 2: Convert to fraction form
    107,241.81/148,006.82 = 61,919.71/x
  3. Step 3: Cross multiply
    107,241.81x = 148,006.82 × 61,919.71
  4. Step 4: Simplify right side
    107,241.81x = 9,164,539,346.24
  5. Step 5: Solve for x
    x = 9,164,539,346.24/107,241.81
  6. Step 6: Final answer
    x = 85,456.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.