Home / 240,538.98-331,938.81-133,102.56

Finding the Fourth Proportional to 240,538.98, 331,938.81 and 133,102.56

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Solution

The fourth proportional to 240,538.98, 331,938.81 and 133,102.56 is: 183,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,538.98 : 331,938.81 = 133,102.56 : x
  2. Step 2: Convert to fraction form
    240,538.98/331,938.81 = 133,102.56/x
  3. Step 3: Cross multiply
    240,538.98x = 331,938.81 × 133,102.56
  4. Step 4: Simplify right side
    240,538.98x = 44,181,905,374.35
  5. Step 5: Solve for x
    x = 44,181,905,374.35/240,538.98
  6. Step 6: Final answer
    x = 183,678.78

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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.