Home / 105,396.50-145,494.60-67,207.24

Finding the Fourth Proportional to 105,396.50, 145,494.60 and 67,207.24

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Solution

The fourth proportional to 105,396.50, 145,494.60 and 67,207.24 is: 92,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,396.50 : 145,494.60 = 67,207.24 : x
  2. Step 2: Convert to fraction form
    105,396.50/145,494.60 = 67,207.24/x
  3. Step 3: Cross multiply
    105,396.50x = 145,494.60 × 67,207.24
  4. Step 4: Simplify right side
    105,396.50x = 9,778,290,500.90
  5. Step 5: Solve for x
    x = 9,778,290,500.90/105,396.50
  6. Step 6: Final answer
    x = 92,776.24

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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.