Home / 179,961.55-248,346.15-99,388.67

Finding the Fourth Proportional to 179,961.55, 248,346.15 and 99,388.67

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Solution

The fourth proportional to 179,961.55, 248,346.15 and 99,388.67 is: 137,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,961.55 : 248,346.15 = 99,388.67 : x
  2. Step 2: Convert to fraction form
    179,961.55/248,346.15 = 99,388.67/x
  3. Step 3: Cross multiply
    179,961.55x = 248,346.15 × 99,388.67
  4. Step 4: Simplify right side
    179,961.55x = 24,682,793,889.69
  5. Step 5: Solve for x
    x = 24,682,793,889.69/179,961.55
  6. Step 6: Final answer
    x = 137,155.93

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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.