Home / 169,742.09-234,146.66-105,969.17

Finding the Fourth Proportional to 169,742.09, 234,146.66 and 105,969.17

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Solution

The fourth proportional to 169,742.09, 234,146.66 and 105,969.17 is: 146,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,742.09 : 234,146.66 = 105,969.17 : x
  2. Step 2: Convert to fraction form
    169,742.09/234,146.66 = 105,969.17/x
  3. Step 3: Cross multiply
    169,742.09x = 234,146.66 × 105,969.17
  4. Step 4: Simplify right side
    169,742.09x = 24,812,327,273.99
  5. Step 5: Solve for x
    x = 24,812,327,273.99/169,742.09
  6. Step 6: Final answer
    x = 146,176.63

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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.