Home / 107,777.79-161,667.90-46,981.62

Finding the Fourth Proportional to 107,777.79, 161,667.90 and 46,981.62

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Solution

The fourth proportional to 107,777.79, 161,667.90 and 46,981.62 is: 70,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,777.79 : 161,667.90 = 46,981.62 : x
  2. Step 2: Convert to fraction form
    107,777.79/161,667.90 = 46,981.62/x
  3. Step 3: Cross multiply
    107,777.79x = 161,667.90 × 46,981.62
  4. Step 4: Simplify right side
    107,777.79x = 7,595,419,844.00
  5. Step 5: Solve for x
    x = 7,595,419,844.00/107,777.79
  6. Step 6: Final answer
    x = 70,472.96

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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.