Home / 134,540.64-185,666.07-77,984.82

Finding the Fourth Proportional to 134,540.64, 185,666.07 and 77,984.82

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Solution

The fourth proportional to 134,540.64, 185,666.07 and 77,984.82 is: 107,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,540.64 : 185,666.07 = 77,984.82 : x
  2. Step 2: Convert to fraction form
    134,540.64/185,666.07 = 77,984.82/x
  3. Step 3: Cross multiply
    134,540.64x = 185,666.07 × 77,984.82
  4. Step 4: Simplify right side
    134,540.64x = 14,479,135,049.06
  5. Step 5: Solve for x
    x = 14,479,135,049.06/134,540.64
  6. Step 6: Final answer
    x = 107,619.04

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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.