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Finding the Fourth Proportional to 169,903.56, 254,696.08 and 57,505.13

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Solution

The fourth proportional to 169,903.56, 254,696.08 and 57,505.13 is: 86,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,903.56 : 254,696.08 = 57,505.13 : x
  2. Step 2: Convert to fraction form
    169,903.56/254,696.08 = 57,505.13/x
  3. Step 3: Cross multiply
    169,903.56x = 254,696.08 × 57,505.13
  4. Step 4: Simplify right side
    169,903.56x = 14,646,331,190.89
  5. Step 5: Solve for x
    x = 14,646,331,190.89/169,903.56
  6. Step 6: Final answer
    x = 86,203.79

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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.