Home / 212,708.20-293,536.71-117,214.87

Finding the Fourth Proportional to 212,708.20, 293,536.71 and 117,214.87

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Solution

The fourth proportional to 212,708.20, 293,536.71 and 117,214.87 is: 161,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,708.20 : 293,536.71 = 117,214.87 : x
  2. Step 2: Convert to fraction form
    212,708.20/293,536.71 = 117,214.87/x
  3. Step 3: Cross multiply
    212,708.20x = 293,536.71 × 117,214.87
  4. Step 4: Simplify right side
    212,708.20x = 34,406,867,302.88
  5. Step 5: Solve for x
    x = 34,406,867,302.88/212,708.20
  6. Step 6: Final answer
    x = 161,756.19

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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.