Home / 103,992.42-156,008.07-41,667.78

Finding the Fourth Proportional to 103,992.42, 156,008.07 and 41,667.78

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Solution

The fourth proportional to 103,992.42, 156,008.07 and 41,667.78 is: 62,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,992.42 : 156,008.07 = 41,667.78 : x
  2. Step 2: Convert to fraction form
    103,992.42/156,008.07 = 41,667.78/x
  3. Step 3: Cross multiply
    103,992.42x = 156,008.07 × 41,667.78
  4. Step 4: Simplify right side
    103,992.42x = 6,500,509,938.98
  5. Step 5: Solve for x
    x = 6,500,509,938.98/103,992.42
  6. Step 6: Final answer
    x = 62,509.46

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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.