Home / 215,464.81-323,089.03-125,536.63

Finding the Fourth Proportional to 215,464.81, 323,089.03 and 125,536.63

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Solution

The fourth proportional to 215,464.81, 323,089.03 and 125,536.63 is: 188,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,464.81 : 323,089.03 = 125,536.63 : x
  2. Step 2: Convert to fraction form
    215,464.81/323,089.03 = 125,536.63/x
  3. Step 3: Cross multiply
    215,464.81x = 323,089.03 × 125,536.63
  4. Step 4: Simplify right side
    215,464.81x = 40,559,508,016.17
  5. Step 5: Solve for x
    x = 40,559,508,016.17/215,464.81
  6. Step 6: Final answer
    x = 188,241.91

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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.