Home / 134,460.33-201,468.45-78,142.29

Finding the Fourth Proportional to 134,460.33, 201,468.45 and 78,142.29

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Solution

The fourth proportional to 134,460.33, 201,468.45 and 78,142.29 is: 117,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,460.33 : 201,468.45 = 78,142.29 : x
  2. Step 2: Convert to fraction form
    134,460.33/201,468.45 = 78,142.29/x
  3. Step 3: Cross multiply
    134,460.33x = 201,468.45 × 78,142.29
  4. Step 4: Simplify right side
    134,460.33x = 15,743,206,045.75
  5. Step 5: Solve for x
    x = 15,743,206,045.75/134,460.33
  6. Step 6: Final answer
    x = 117,084.39

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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.