Home / 212,855.12-293,742.04-117,365.20

Finding the Fourth Proportional to 212,855.12, 293,742.04 and 117,365.20

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Solution

The fourth proportional to 212,855.12, 293,742.04 and 117,365.20 is: 161,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,855.12 : 293,742.04 = 117,365.20 : x
  2. Step 2: Convert to fraction form
    212,855.12/293,742.04 = 117,365.20/x
  3. Step 3: Cross multiply
    212,855.12x = 293,742.04 × 117,365.20
  4. Step 4: Simplify right side
    212,855.12x = 34,475,093,273.01
  5. Step 5: Solve for x
    x = 34,475,093,273.01/212,855.12
  6. Step 6: Final answer
    x = 161,965.06

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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.