Home / 179,688.39-247,958.73-99,115.76

Finding the Fourth Proportional to 179,688.39, 247,958.73 and 99,115.76

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Solution

The fourth proportional to 179,688.39, 247,958.73 and 99,115.76 is: 136,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,688.39 : 247,958.73 = 99,115.76 : x
  2. Step 2: Convert to fraction form
    179,688.39/247,958.73 = 99,115.76/x
  3. Step 3: Cross multiply
    179,688.39x = 247,958.73 × 99,115.76
  4. Step 4: Simplify right side
    179,688.39x = 24,576,616,732.79
  5. Step 5: Solve for x
    x = 24,576,616,732.79/179,688.39
  6. Step 6: Final answer
    x = 136,773.54

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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.