Home / 133,201.60-183,444-130,298.56

Finding the Fourth Proportional to 133,201.60, 183,444 and 130,298.56

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Solution

The fourth proportional to 133,201.60, 183,444 and 130,298.56 is: 179,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,201.60 : 183,444 = 130,298.56 : x
  2. Step 2: Convert to fraction form
    133,201.60/183,444 = 130,298.56/x
  3. Step 3: Cross multiply
    133,201.60x = 183,444 × 130,298.56
  4. Step 4: Simplify right side
    133,201.60x = 23,902,489,040.64
  5. Step 5: Solve for x
    x = 23,902,489,040.64/133,201.60
  6. Step 6: Final answer
    x = 179,445.96

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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.