Home / 77,148.72-115,755.48-27,264.06

Finding the Fourth Proportional to 77,148.72, 115,755.48 and 27,264.06

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Solution

The fourth proportional to 77,148.72, 115,755.48 and 27,264.06 is: 40,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,148.72 : 115,755.48 = 27,264.06 : x
  2. Step 2: Convert to fraction form
    77,148.72/115,755.48 = 27,264.06/x
  3. Step 3: Cross multiply
    77,148.72x = 115,755.48 × 27,264.06
  4. Step 4: Simplify right side
    77,148.72x = 3,155,964,352.05
  5. Step 5: Solve for x
    x = 3,155,964,352.05/77,148.72
  6. Step 6: Final answer
    x = 40,907.54

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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.