Home / 212,454.11-293,191.46-120,579.45

Finding the Fourth Proportional to 212,454.11, 293,191.46 and 120,579.45

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Solution

The fourth proportional to 212,454.11, 293,191.46 and 120,579.45 is: 166,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,454.11 : 293,191.46 = 120,579.45 : x
  2. Step 2: Convert to fraction form
    212,454.11/293,191.46 = 120,579.45/x
  3. Step 3: Cross multiply
    212,454.11x = 293,191.46 × 120,579.45
  4. Step 4: Simplify right side
    212,454.11x = 35,352,864,388.60
  5. Step 5: Solve for x
    x = 35,352,864,388.60/212,454.11
  6. Step 6: Final answer
    x = 166,402.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.