Home / 169,581.20-234,022.96-105,955.90

Finding the Fourth Proportional to 169,581.20, 234,022.96 and 105,955.90

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Solution

The fourth proportional to 169,581.20, 234,022.96 and 105,955.90 is: 146,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,581.20 : 234,022.96 = 105,955.90 : x
  2. Step 2: Convert to fraction form
    169,581.20/234,022.96 = 105,955.90/x
  3. Step 3: Cross multiply
    169,581.20x = 234,022.96 × 105,955.90
  4. Step 4: Simplify right side
    169,581.20x = 24,796,113,347.46
  5. Step 5: Solve for x
    x = 24,796,113,347.46/169,581.20
  6. Step 6: Final answer
    x = 146,219.71

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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.