Home / 179,681.28-247,910.40-116,021.76

Finding the Fourth Proportional to 179,681.28, 247,910.40 and 116,021.76

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Solution

The fourth proportional to 179,681.28, 247,910.40 and 116,021.76 is: 160,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,681.28 : 247,910.40 = 116,021.76 : x
  2. Step 2: Convert to fraction form
    179,681.28/247,910.40 = 116,021.76/x
  3. Step 3: Cross multiply
    179,681.28x = 247,910.40 × 116,021.76
  4. Step 4: Simplify right side
    179,681.28x = 28,763,000,930.30
  5. Step 5: Solve for x
    x = 28,763,000,930.30/179,681.28
  6. Step 6: Final answer
    x = 160,077.89

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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.