Home / 105,677.89-158,537.55-39,118.57

Finding the Fourth Proportional to 105,677.89, 158,537.55 and 39,118.57

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Solution

The fourth proportional to 105,677.89, 158,537.55 and 39,118.57 is: 58,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,677.89 : 158,537.55 = 39,118.57 : x
  2. Step 2: Convert to fraction form
    105,677.89/158,537.55 = 39,118.57/x
  3. Step 3: Cross multiply
    105,677.89x = 158,537.55 × 39,118.57
  4. Step 4: Simplify right side
    105,677.89x = 6,201,762,247.30
  5. Step 5: Solve for x
    x = 6,201,762,247.30/105,677.89
  6. Step 6: Final answer
    x = 58,685.52

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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.