Home / 133,094.05-183,670.73-72,665.89

Finding the Fourth Proportional to 133,094.05, 183,670.73 and 72,665.89

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Solution

The fourth proportional to 133,094.05, 183,670.73 and 72,665.89 is: 100,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,094.05 : 183,670.73 = 72,665.89 : x
  2. Step 2: Convert to fraction form
    133,094.05/183,670.73 = 72,665.89/x
  3. Step 3: Cross multiply
    133,094.05x = 183,670.73 × 72,665.89
  4. Step 4: Simplify right side
    133,094.05x = 13,346,597,062.40
  5. Step 5: Solve for x
    x = 13,346,597,062.40/133,094.05
  6. Step 6: Final answer
    x = 100,279.44

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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.