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Finding the Fourth Proportional to 169,751.64, 255,643.01 and 154,618.29

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Solution

The fourth proportional to 169,751.64, 255,643.01 and 154,618.29 is: 232,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,751.64 : 255,643.01 = 154,618.29 : x
  2. Step 2: Convert to fraction form
    169,751.64/255,643.01 = 154,618.29/x
  3. Step 3: Cross multiply
    169,751.64x = 255,643.01 × 154,618.29
  4. Step 4: Simplify right side
    169,751.64x = 39,527,083,005.35
  5. Step 5: Solve for x
    x = 39,527,083,005.35/169,751.64
  6. Step 6: Final answer
    x = 232,852.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.