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Finding the Fourth Proportional to 133,641, 184,424.58 and 74,036.52

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Solution

The fourth proportional to 133,641, 184,424.58 and 74,036.52 is: 102,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,641 : 184,424.58 = 74,036.52 : x
  2. Step 2: Convert to fraction form
    133,641/184,424.58 = 74,036.52/x
  3. Step 3: Cross multiply
    133,641x = 184,424.58 × 74,036.52
  4. Step 4: Simplify right side
    133,641x = 13,654,154,105.66
  5. Step 5: Solve for x
    x = 13,654,154,105.66/133,641
  6. Step 6: Final answer
    x = 102,170.40

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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.