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Finding the Fourth Proportional to 169,832.68, 234,309.31 and 101,871.65

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Solution

The fourth proportional to 169,832.68, 234,309.31 and 101,871.65 is: 140,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,832.68 : 234,309.31 = 101,871.65 : x
  2. Step 2: Convert to fraction form
    169,832.68/234,309.31 = 101,871.65/x
  3. Step 3: Cross multiply
    169,832.68x = 234,309.31 × 101,871.65
  4. Step 4: Simplify right side
    169,832.68x = 23,869,476,020.06
  5. Step 5: Solve for x
    x = 23,869,476,020.06/169,832.68
  6. Step 6: Final answer
    x = 140,547.01

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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.