Home / 149,138.39-223,742.61-49,298.58

Finding the Fourth Proportional to 149,138.39, 223,742.61 and 49,298.58

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Solution

The fourth proportional to 149,138.39, 223,742.61 and 49,298.58 is: 73,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,138.39 : 223,742.61 = 49,298.58 : x
  2. Step 2: Convert to fraction form
    149,138.39/223,742.61 = 49,298.58/x
  3. Step 3: Cross multiply
    149,138.39x = 223,742.61 × 49,298.58
  4. Step 4: Simplify right side
    149,138.39x = 11,030,192,958.49
  5. Step 5: Solve for x
    x = 11,030,192,958.49/149,138.39
  6. Step 6: Final answer
    x = 73,959.45

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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.