Home / 109,902.81-164,861.21-31,023.19

Finding the Fourth Proportional to 109,902.81, 164,861.21 and 31,023.19

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Solution

The fourth proportional to 109,902.81, 164,861.21 and 31,023.19 is: 46,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,902.81 : 164,861.21 = 31,023.19 : x
  2. Step 2: Convert to fraction form
    109,902.81/164,861.21 = 31,023.19/x
  3. Step 3: Cross multiply
    109,902.81x = 164,861.21 × 31,023.19
  4. Step 4: Simplify right side
    109,902.81x = 5,114,520,641.46
  5. Step 5: Solve for x
    x = 5,114,520,641.46/109,902.81
  6. Step 6: Final answer
    x = 46,536.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.