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Finding the Fourth Proportional to 169,955.16, 254,932.66 and 51,626.04

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Solution

The fourth proportional to 169,955.16, 254,932.66 and 51,626.04 is: 77,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,955.16 : 254,932.66 = 51,626.04 : x
  2. Step 2: Convert to fraction form
    169,955.16/254,932.66 = 51,626.04/x
  3. Step 3: Cross multiply
    169,955.16x = 254,932.66 × 51,626.04
  4. Step 4: Simplify right side
    169,955.16x = 13,161,163,702.47
  5. Step 5: Solve for x
    x = 13,161,163,702.47/169,955.16
  6. Step 6: Final answer
    x = 77,439.04

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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.