Home / 133,921.73-184,507.80-103,602.62

Finding the Fourth Proportional to 133,921.73, 184,507.80 and 103,602.62

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Solution

The fourth proportional to 133,921.73, 184,507.80 and 103,602.62 is: 142,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,921.73 : 184,507.80 = 103,602.62 : x
  2. Step 2: Convert to fraction form
    133,921.73/184,507.80 = 103,602.62/x
  3. Step 3: Cross multiply
    133,921.73x = 184,507.80 × 103,602.62
  4. Step 4: Simplify right side
    133,921.73x = 19,115,491,490.44
  5. Step 5: Solve for x
    x = 19,115,491,490.44/133,921.73
  6. Step 6: Final answer
    x = 142,736.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.