Home / 109,346.29-163,994.82-39,225.60

Finding the Fourth Proportional to 109,346.29, 163,994.82 and 39,225.60

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Solution

The fourth proportional to 109,346.29, 163,994.82 and 39,225.60 is: 58,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,346.29 : 163,994.82 = 39,225.60 : x
  2. Step 2: Convert to fraction form
    109,346.29/163,994.82 = 39,225.60/x
  3. Step 3: Cross multiply
    109,346.29x = 163,994.82 × 39,225.60
  4. Step 4: Simplify right side
    109,346.29x = 6,432,795,211.39
  5. Step 5: Solve for x
    x = 6,432,795,211.39/109,346.29
  6. Step 6: Final answer
    x = 58,829.57

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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.