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Finding the Fourth Proportional to 169,968, 254,957.40 and 51,640.37

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Solution

The fourth proportional to 169,968, 254,957.40 and 51,640.37 is: 77,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968 : 254,957.40 = 51,640.37 : x
  2. Step 2: Convert to fraction form
    169,968/254,957.40 = 51,640.37/x
  3. Step 3: Cross multiply
    169,968x = 254,957.40 × 51,640.37
  4. Step 4: Simplify right side
    169,968x = 13,166,094,470.24
  5. Step 5: Solve for x
    x = 13,166,094,470.24/169,968
  6. Step 6: Final answer
    x = 77,462.20

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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.