Home / 112,327.98-168,346.53-45,690.18

Finding the Fourth Proportional to 112,327.98, 168,346.53 and 45,690.18

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Solution

The fourth proportional to 112,327.98, 168,346.53 and 45,690.18 is: 68,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327.98 : 168,346.53 = 45,690.18 : x
  2. Step 2: Convert to fraction form
    112,327.98/168,346.53 = 45,690.18/x
  3. Step 3: Cross multiply
    112,327.98x = 168,346.53 × 45,690.18
  4. Step 4: Simplify right side
    112,327.98x = 7,691,783,258.08
  5. Step 5: Solve for x
    x = 7,691,783,258.08/112,327.98
  6. Step 6: Final answer
    x = 68,476.11

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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.