Home / 169,742.85-234,147.69-105,969.93

Finding the Fourth Proportional to 169,742.85, 234,147.69 and 105,969.93

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Solution

The fourth proportional to 169,742.85, 234,147.69 and 105,969.93 is: 146,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,742.85 : 234,147.69 = 105,969.93 : x
  2. Step 2: Convert to fraction form
    169,742.85/234,147.69 = 105,969.93/x
  3. Step 3: Cross multiply
    169,742.85x = 234,147.69 × 105,969.93
  4. Step 4: Simplify right side
    169,742.85x = 24,812,614,318.96
  5. Step 5: Solve for x
    x = 24,812,614,318.96/169,742.85
  6. Step 6: Final answer
    x = 146,177.67

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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.