Home / 176,908.25-244,135.72-100,421.57

Finding the Fourth Proportional to 176,908.25, 244,135.72 and 100,421.57

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Solution

The fourth proportional to 176,908.25, 244,135.72 and 100,421.57 is: 138,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,908.25 : 244,135.72 = 100,421.57 : x
  2. Step 2: Convert to fraction form
    176,908.25/244,135.72 = 100,421.57/x
  3. Step 3: Cross multiply
    176,908.25x = 244,135.72 × 100,421.57
  4. Step 4: Simplify right side
    176,908.25x = 24,516,493,031.35
  5. Step 5: Solve for x
    x = 24,516,493,031.35/176,908.25
  6. Step 6: Final answer
    x = 138,583.09

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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.