Home / 134,241.44-201,362.80-40,748

Finding the Fourth Proportional to 134,241.44, 201,362.80 and 40,748

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Solution

The fourth proportional to 134,241.44, 201,362.80 and 40,748 is: 61,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,241.44 : 201,362.80 = 40,748 : x
  2. Step 2: Convert to fraction form
    134,241.44/201,362.80 = 40,748/x
  3. Step 3: Cross multiply
    134,241.44x = 201,362.80 × 40,748
  4. Step 4: Simplify right side
    134,241.44x = 8,205,131,374.40
  5. Step 5: Solve for x
    x = 8,205,131,374.40/134,241.44
  6. Step 6: Final answer
    x = 61,122.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.