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Finding the Fourth Proportional to 169,858.87, 254,825.07 and 51,539.13

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Solution

The fourth proportional to 169,858.87, 254,825.07 and 51,539.13 is: 77,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,858.87 : 254,825.07 = 51,539.13 : x
  2. Step 2: Convert to fraction form
    169,858.87/254,825.07 = 51,539.13/x
  3. Step 3: Cross multiply
    169,858.87x = 254,825.07 × 51,539.13
  4. Step 4: Simplify right side
    169,858.87x = 13,133,462,409.99
  5. Step 5: Solve for x
    x = 13,133,462,409.99/169,858.87
  6. Step 6: Final answer
    x = 77,319.85

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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.